8.5+5.85-9.17怎么5.2乘10.1简便计算算

下题.怎样简便就怎样算.17.85_百度知道
下题.怎样简便就怎样算.17.85
我有更好的答案
(1)3.8+1.94+0.2+1.06
=(3.8+0.2)+(1.94+1.06)
=7(2)31.65-7.64-8.36
=31.65-(7.64+8.36)
=15.65(3)15.18-9.99+1.82
=15.18+1.82-9.99
(4)8.7+3.92-5.92
=8.7-(5.92-3.92)
=6.7(5)17.85+3.74-5.56
=21.59-5.56
=16.03 (6)45.6-(83.7-78.8)
3702乘以38除以除以×38=114
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8.5-(1/8+1.5)-0.875 简算
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8.5-(1/8+1.5)-0.875简算8.5-1/8-1.5-0.875=(8.5-1.5)-(1/8+0.875)=7-(0.125+0.875)=7-1=615×11-198÷188.5÷4÷0.253/7÷2/5÷15/147/13×1/3...(2)8.5÷4÷0.25,=8.5÷(4×0.25),=8.5÷1,=8.5;(3)÷÷,=××,=1;(4)×+÷3,=×+×,=(+)×,=1×,=;(5)(1-×4)÷,=(1-)÷,=×,=;(6)25.8÷(4.3×2-0.2),=25.8÷(8.6-0...脱式计算.(1)375+450÷18×25(2)8.5×3-5.85÷1.3(3)12-(34-3...试题答案:(1)375+450÷18×25,=375+25×25,=375+625,=.5×3-5.85÷1.3,=25.5-4.5,=21;(3)12-(34-35)÷34,=12-320×43,=12-15,=310;(4)(79+13)÷815×...1+【8又1/4-(8.5-4*1又7/8)/0.125】脱式计算,能用简便方法么?8.5=17/24*1又7/8=4×15/8=15/2这样(8.5-4*1又7/8)=-1(8.5-4*1又7/8)/0.125=-8结果=1+8又1/4-8=1+1/4=1.258.5乘1又4分之3-2又5分之2乘3又4分之3除以2又2分之18.5化成分数,即8又2分之1。然后再把所有带分数化成假分数:即2分之17乘4分之7-5分之12乘4分之15除以2分之5。先算乘法和后面的乘法加除法,即8分之119-5分之18=40分...8.5-(1/8+1.5)-0.875简算(图2)8.5-(1/8+1.5)-0.875简算(图8)8.5-(1/8+1.5)-0.875简算(图14)8.5-(1/8+1.5)-0.875简算(图17)8.5-(1/8+1.5)-0.875简算(图20)8.5-(1/8+1.5)-0.875简算(图22)这是用户提出的一个数学问题,具体问题为:8.5-(1/8+1.5)-0.875 简算我们通过互联网以及本网用户共同努力为此问题提供了相关答案,以便碰到此类问题的同学参考学习,请注意,我们不能保证答案的准确性,仅供参考,具体如下:8.5乘1又4分之3-2又5分之2乘3又4分之3除以2又2分之18.5化成分数,即8又2分之1。然后再把所有带分数化成假分数:即2分之17乘4分之7-5分之12乘4分之15除以2分之5。先算乘法和后面防抓取,学路网提供内容。用户都认为优质的答案:(x-三又八分之1)乘8.5=85求解x*3.125*8.5=85x=3.2防抓取,学路网提供内容。8.5-(1/8+1.5)-0.8753X+6=182X-7.5=8.516+8X=404x-3乘9=28怎么解方程?3x+6=183x+6-6=18-63x=123x÷3=12÷3x=42x-7.5=8.52x-7.5+7.5=8.5+防抓取,学路网提供内容。=8.5-1/8-1.5-0.8751、和平小区的总面积为18公顷,其中建筑,道路等占小区的70%...18(1-70%)=5.4(25.5/75%)*(2/13)=68/138.5*9/1=76.5防抓取,学路网提供内容。=(8.5-1.5)-(1/8+0.875)一个长方体水池长8.5米,宽4,深1.5。给这个无盖的水池里面贴上...贴瓷砖的面积&&&2(8.5*1.5+4*1.5)+8.5*4=71.5(平方米)教室粉刷面积&n防抓取,学路网提供内容。=7-(0.125+0.875)18÷1.5-0.5×0.3的简便运算8.5+(5.6-4.8)×13的简便运算这两个题都不复杂,稍微变形,然后直接计算。18÷1.5-0.5×0.3=18×(2/3)-0.015=12-0.015=防抓取,学路网提供内容。=7-1=6======以下答案可供参考======美国亚马逊上买鞋这么挑码8.5D(M)US是什么意思问:8.5D(M)US8.52EUS分别是什么意思?我老公穿42码的鞋子应该买什么码...答:美国的鞋子既长度也区分宽度(其实这样更科学,更舒适)其防抓取,学路网提供内容。供参考答案1:2.5×(8.5+8.5+8.5+8.5)简便计算问:2.5×(8.5+8.5+8.5+8.5)简便计算答:2.5×(8.5+8.5+8.5+8.5)=2.5×(8.5×4)=2.5×4×8.5=10防抓取,学路网提供内容。8.5-0.125-1.5-0.875=8.5-(0.125+0.875)-1.5=6.5美国鞋码(8.5)尺寸对应欧码尺寸是多少?谢谢!答:貌似是42.美国码/US2.533.544.555.566.577.588.599.510美国码/US欧码/EUR37.53防抓取,学路网提供内容。(x-三又八分之1)乘8.5=85求解x*3.125*8.5=85x=3.23X+6=182X-7.5=8.516+8X=404x-3乘9=28怎么解方程?3x+6=183x+6-6=18-63x=123x÷3=12÷3x=42x-7.5=8.52x-7.5+7.5=8.5+7.52x=162x÷2=16÷2x=816+8x=x=40-168x=248x÷8=24÷8x=3...1、和平小区的总面积为18公顷,其中建筑,道路等占小区的70%...18(1-70%)=5.4(25.5/75%)*(2/13)=68/138.5*9/1=76.5一个长方体水池长8.5米,宽4,深1.5。给这个无盖的水池里面贴上...贴瓷砖的面积&&&2(8.5*1.5+4*1.5)+8.5*4=71.5(平方米)教室粉刷面积&&&2(10*1.5+6*1.5)+10*6-18=90(平方米)
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19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=1811/14-3/14+1/8 =4.05-(2.8+0.7) =0.554.05-2.8-0.7 =4.05-(2.8+0.7) =0.55212+198 =(200+12)+(100+98) =200+12+100+98 =12+98+100+200 =110+100+200 =41013.75-(3.75+6.48) =13.75-3.75-6.48 =10-6.48 =3.52(0.75*42.7+57.3-0.573*25)/3*7972 =(0.75*42.7+57.3*1-57.3*0.25)/3*7972 =[0.75*42.7+57.3(1-0.25)]/3*7972 =[0.75*42.7+57.3*0.75]/3*7972 =[(42.7+57.3)*0.75]/3**2 =1993003.45*0.6*2.8=3.45×2.8×0.6=5.796 4.02+5.4+0.98 =4.02+0.98+5.4 =5+5.4 =10.4 5.17-1.8-3.2 =5.17-(1.8+3.2) =5.17-5 =0.1713.75-(3.75+6.48) =13.75-3.75-6.48 =3.5233*145+33*55 =(145+55)*33 =200*33 =6600369*136-36*369 =100*369 =36900193*51+193*49 =100*193 =1930025*32 =25*4*8 =80079*16+79*78+79*6 =(16+78+6)*79 =100*79 =7900 25*32 =25*4*8 =800193*51+193*49 =100*193 =19300369*136-36*369 =100*369 =3690033*145+33*55 =(145+55)*33 =200*33 =+15×6= 135 2.250÷5×8=400 3.6×5÷2×4=60 4.30×3+8=98 5.400÷4+20×5= 200 6.10+12÷3+20=34 7.(80÷20+80)÷4=21 8.70+(100-10×5)=120 9.360÷40+10= 19 10.40×20-200= 600 11.(80-25)*2= 110 12.70+45=115 13.90×2÷3= 60 14.16×6÷3= 32 15.300×6÷9= 200 16.540÷9×7=420 17.30×20÷15= 20 18.400÷4×7= 700 19.(350-80)÷9= 30 20.160+70+50=280 21.18-64÷8= 10 22.42÷6+20=27 23.40-5×7= 5 24.80+60÷3=100 25.41+18÷2= 50 26.75-11×5= 20 27.42+7-29= 20 28. 29.25×16÷4= 100 30.120×25÷5= 600 31.36×11÷3= 132 32.=328 33.336+70-6= 400 34.25×9×4= 900 35.200-33×3= 101 36.10 37.12×50+10= 610 38.25×8+199= 399 39.23×11-13= 240 40.125÷25-5=0 41.0=+80-150=150 43.20×8×5= 800 44.600-3×200=0 45.20+20÷2= 30 46.35-25÷5= 30 47.36+8-40= 41)25%*132+1/4*8 2)32*0.125*25 =1/4*132+1/4*8 =(4+8)*0.125*25 =1/4*(132+8) =(4*25)*(8*0.125) =1/4*140 =100*1 =35 =%*76+25*4+0.75*12 =3/4*76+3/4*12+25*4 =3/4*88+100 =166 4)÷2/5+/3+4/5)*7/6 =400*5/2+*7/6 = =77/45 =*(1/2+2/3) 6)132*(44÷176) =6*1/2+6*2/3 =132*1/4 =33 =3+4 =7 7)72.25%*99+75.25% =75.25%*99+75.25%*1 =75.25%*(99+1) =75.25%*100 =75.25①2700×(506-499)÷900 =0 =1 =21 =10②33.02-(148.4-90.85)÷2.5 =33.02-57.55÷2.5 =33.02-23.02③(1÷1-1)÷5.1 =(1-1)÷5.1 =0÷5.1 =0④18.1+(3-0.299÷0.23)×1 =18.1+1.7X1 =18.1+1.7 =19.86.9+4.8+3.1 89)0.456+6.22+3.7815.89+(6.75-5.4.02+5.4+0.98 6.48)5.17-1.8-3.213.75-(3.75+3.68+7.56-2.68 6-7.27.85+2.34-0.85+4.6635.6-1.8-15. 3.82+2.9+0.18+9.1 2.479.6+4.8-3.67.14-0.53-5.27+2.86-0.66+1.63 8-5.3613.35-4.68+2.6573.8-1.64-13.47.8-7.45+8.8 +14.250.398+0.36+3.6415.75+3.59-0.5966.86-8.66-1.34 3.6×1020.25×16.2×4 3.72×3.5+6.28×3.5(1.25-0.125)×8 36.8-3.9-6.115.6×13.1-15.6-15.6×2.1 -0.94.8×7.8+78×0.5232+4.94.8×100.156.5×9.9+56.57.09×10.8-0.8×7.0925.48-(9.4-0.52)4.2÷3.5320÷1.25÷818.76×9.9+18.76 5.6÷3.53.52÷2.5÷0.4 9.6÷0.8÷0.43.9-4.1+6.1-5.9 4.2×99+4.2 17.8÷(1.78×4) 5×10.10.49÷1.41.25×2.5×323.615.2÷0.25÷40.89×100.1146.5-(23+46.5)3.83×4.56+3.83×5.444.36×12.5×89.7×99+9.727.5×3.7-7.5×3.7 25×12.58.54÷2.5÷0.40.65×1013.2×0.(45.9-32.7)÷8÷0.125 5÷0.43.14×0.68+31.4×0.0325.6÷1.25÷0.8÷2.7.2×0.2+2.4×1.4 268.9×1.017.74×(2.8-1.3)+1.5×2.3.9×2.7+3.9×7.318-1.8÷0.125÷0.812.7×9.9+1.2721×(9.3-3.7)-5.615.02-6.8-1.025.4×11-5.42.3×16+2.3×23+2.3 ×0.379.43-(6.28-1.57)3.65×4.7-36.5 46×57+23×8613.7×0.25-3.7÷42.22×9.9+6.66×6.7101×0.87-0.91×8710.7×16.1-15.1×10.70.79×1994.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5+4.9-6.53.07-0.38-1.621.29+3.7+2.71+6.38-2.45-1.553.25+1.79-0.59+1.7523.4-0.8-13.4-7.20.32×4033.2+0.36+4.8+1.641.23+3.4-0.23+6.60.25×3612.7-(3.7+0.84)36.54-1.76-4.540.25×0.73×47.6×0.8+0.2×7.60.85×1990.25×8.5×4 1.28×8.6+0.72×8.612.5×0.96×0.810.4-9.6×0.350.8×(4.3×1.25)3.12+3.12×9928.6×101-28.60.86×15.7-0.86×14.72.4×1022.31×1.2×0.514-7.32-2.682.64+8.67+7.36+11.3370÷28(2.5-0.25)×0.49.16×1.5-0.5×9.163.6-3.6×0.563.4÷2.5÷0.44.9÷1.43.9÷(1.3×5)(7.7+1.54)÷0.7 ×0.4)2.5×2.42.7÷4515÷(0.150.35×1.25×2×0.832.4×0.9+0.1×32.415÷0.254.5÷1.84.2÷3.5930÷0.6÷50.25×0.73×412.7-(3.7+0.84) 36.54-1.76-4.54 12.5×0.96×0.8 0.25×8.5×4 10.4-9.6×0.35 7.6×0.8+0.2×7.6 0.86×15.7-0.86×14.7 14-7.32-2.682.31×1.2×0.5 63.4÷2.5÷0.42.64+8.67+7.36+11.333.25+1.79-0.59+1.7523.4-0.8-13.4-7.25.4÷1.8+240×1.5 --183-317-357 -214 138×25×4 (13×125)×(3×8) (12+24+80)×50 25×32×125 32×(25+125) 178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178 79×42+79+79×57
2356-() 1235-() 75×27+19×2 5 31×870+13×310 4×(25×65+25×28) 2.73 + 0.89 + 1.27 4.37 + 0.28 + 1.63 + 5.72 10 - 0.432 - 2.568 9.3 - 5.26 - 2.74 13.4-(3.4+5.2) 14.9-(5.2+4.9) 18.32 - 5.47 - 4.32 17.29 - 5.28 - 6.29 25 × 6.8 × 0.04 0.25 × 32 × 0.125 6.4 × 1.25 × 12.5 3.28 × 5.7 + 6.72 × 5.7 2.1 × 99 + 2.1 1.7 × 9.9 + 0.17 23 × 0.1 + 2.3 × 9.9 0.18 +4.26 -0.18 +4.26 0.58 ×1.3 ÷ 0.58 ×1.3 7.3 ÷4 + 2.7 × 0.25 3.75 × 0.5 - 2.75 ÷ 2 5.26 × 0.125 + 2.74 ÷ 8 9.5 ÷(1.9 × 8) 12.8 ÷ (0.4 × 1.6) 930 ÷ 0.6 ÷5 63.4 ÷ 2.5 ÷ 0.4 (7.7 + 1.54)÷ 0.7 (11.7 + 9.9)÷ 0.9 6.9+4.8+3.1 15.89+(6.75-5.89) 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 13.75-(3.75+6.48) 47.8-7.45+2.55 66.86-8.66-1.34 0.25×16.2×4 0. 25×32 ×0.125 2 .5 ×(4 +0.4) (1.25-0.125)×8 56.5×9.9+56.5 5.4×11-5.4 3.83×4.56+3.83×5.44 7.09×10.8-0.8×7.09 3.65×4.7-36.5×0.37 13.7×0.25-3.7÷4 10.7×16.1-1.1×10.7 +10.7 ×5 3.9÷(1.3×5) 63.4÷2.5÷0.4 (7.7+1.4)÷0.7 9000÷72×(1.25×0.7×8) 61-(1.25+2.5×0.7) [(10-0.8)+9.85]-2÷0.125 12+9 789+456-78 181+2564)++114+242+222 276+228+353+219 (375+1034)+(966+125) ()++ 7755-(14+638+286 -×4 (13×125)×(3×8) (12+24+80)×5 32×(25+125) 178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178 79×42+79+79×57
158+262+138 375+219+381+225 - (181+2564)++114+242+222 276+228+353+219 (375+1034)+(966+125) ()++ 7755-(14+638+286102×4.5 7.8×6.9+2.2×6.9 5.6×0.25 8×(20-1.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 ÷28×21 920- 690+47×52-398 148+ 360×24÷32+730 ×54 51+()×23 4215+()÷81 (247+18)×27÷25 36-720÷(360÷18) 1080÷(63-54)×80 (528+912)×5-÷41×38-904 264+318-8280÷69 (174+209)×26- 9000 814-(278+322)÷15 ÷45 ÷38+504 796-5040÷(630÷7) 285+()÷36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1+(3-0.299÷0.23)×1 2.(6.8-6.8×0.55)÷8.5 3.0.12× 4.8÷0.12×4.8 4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 5.6-1.6÷4= 5.38+7.85-5.37= 6.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 8.10.15-10.75×0.4-5.7 9.5.8×(3.87-0.13)+4.2×3.74 10.32.52-(6+9.728÷3.2)×2.5 11.[(7.1-5.6)×0.9-1.15] ÷2.5 12.5.4÷[2.6×(3.7-2.9)+0.62] 13.12×6÷(12-7.2)-6 14.12×6÷7.2-6 15.33.02-(148.4-90.85)÷2.5 7×(5/21+9/714)下面各题怎样算简便就怎样算。 6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.23.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.475.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.3647.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.2566.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×83.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.115.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.94.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09 25.48-(9.4-0.52) 4.2÷3.5 320÷1.25÷818.76×9.9+18.76 3.52÷2.5÷0.4 3.9-4.1+6.1-5.95.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.217.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.115.2÷0.25÷4 0.89×100.1 146.5-(23+46.5)3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.727.5×3.7-7.5×3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5(45.9-32.7)÷8÷0.125 3.14×0.68+31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4 7.2×0.2+2.4×1.4 8.9×1.01 7.74×(2.8-1.3)+1.5×2.263.9×2.7+3.9×7.3 18-1.8÷0.125÷0.8 12.7×9.9+1.2721×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.42.3×16+2.3×23+2.3 9.43-(6.28-1.57) 3.65×4.7-36.5×0.3746×57+23×86 13.7×0.25-3.7÷4 2.22×9.9+6.66×6.7101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×1994.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.53.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.553.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32×4033.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25×3612.7-(3.7+0.84) 36.54-1.76-4.54 0.25×0.73×47.6×0.8+0.2×7.6 0.85×199 0.25×8.5×41.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.35 0.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.60.86×15.7-0.86×14.7 2.4×102 2.31×1.2×0.514-7.32-2.68 2.64+8.67+7.36+11.33 70÷28(2.5-0.25)×0.4 9.16×1.5-0.5×9.16 3.6-3.6×0.563.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5)(7.7+1.54)÷0.7 2.5×2.4 2.7÷45 15÷(0.15×0.4)0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.25 4.5÷1.8 4.2÷3.5 930÷0.6÷5 3Q 我非常感谢你! 102×4.5 7.8×6.9+2.2×6.9 5.6×0.25 8×(20-1.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 ÷28×21 920- 690+47×52-398 148+ 360×24÷32+730 ×54 51+()×23 4215+()÷81 (247+18)×27÷25 36-720÷(360÷18) 1080÷(63-54)×80 (528+912)×5-÷41×38-904 264+318-8280÷69 (174+209)×26- -(278+322)÷15 ÷45 ÷38+504 796-5040÷(630÷7) 285+()÷36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1+(3-0.299÷0.23)×1 2.(6.8-6.8×0.55)÷8.5 3.0.12× 4.8÷0.12×4.8 4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 5.6-1.6÷4= 5.38+7.85-5.37= 6.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 8.10.15-10.75×0.4-5.7 9.5.8×(3.87-0.13)+4.2×3.74 10.32.52-(6+9.728÷3.2)×2.5 11.[(7.1-5.6)×0.9-1.15] ÷2.5 12.5.4÷[2.6×(3.7-2.9)+0.62] 13.12×6÷(12-7.2)-6 14.12×6÷7.2-6 15.33.02-(148.4-90.85)÷2.5 7×(5/21+9/714) 6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36 47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25 66.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×8 3.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.1 15.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.9 4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09 25.48-(9.4-0.52) 4.2÷3.5 320÷1.25÷8 18.76×9.9+18.76 3.52÷2.5÷0.4 3.9-4.1+6.1-5.9 5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2 17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.1 15.2÷0.25÷4 0.89×100.1 146.5-(23+46.5) 3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.7 27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5 (45.9-32.7)÷8÷0.125 3.14×0.68+31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4 7.2×0.2+2.4×1.4 8.9×1.01 7.74×(2.8-1.3)+1.5×2.26 3.9×2.7+3.9×7.3 18-1.8÷0.125÷0.8 12.7×9.9+1.27 21×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.4 2.3×16+2.3×23+2.3 9.43-(6.28-1.57) 3.65×4.7-36.5×0.37 46×57+23×86 13.7×0.25-3.7÷4 2.22×9.9+6.66×6.7 101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×199 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98 0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5 3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55 3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32×403 3.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25×36 12.7-(3.7+0.84) 36.54-1.76-4.54 0.25×0.73×4 7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×4 1.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.35 0.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.6 0.86×15.7-0.86×14.7 2.4×102 2.31×1.2×0.5 14-7.32-2.68 2.64+8.67+7.36+11.33 70÷28 (2.5-0.25)×0.4 9.16×1.5-0.5×9.16 4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5) (7.7+1.54)÷0.7 2.5×2.4 2.7÷45 15÷(0.15×0.4) 0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.25 4.5÷1.8 4.2÷3.5 930÷0.6÷5 这样应该够了吧!好好 I(^ω^)J(⊙o⊙)哦!祝你好运!O(∩_∩)O 哈哈~ 6.9+4.8+3.1 0.456 +6.22+3.78 7.8×6.9+2.2×6.9 102×4.5 12.5.4÷[2.6× (3.7-2.9) +0.62] -904 814- 278+322) ( ÷15 9.9×101-9.9 102× 98= 45.55-(6.82+15.55)= 9.83×1.5+10.17×1.5= 99× 101= 23.75-8.64-3.46 = 14.63-7.85-2.15 = 125 ×4.8= 8×0.4×12.5×2.5 = 3.7×102 = 99×1.01= 0.456+6.22+3.78 = 78+100+22= 15.89+(6.75-5.89)= 4.02+5.4+0.98 = 125 4.8 25= 0.79×0.5×20= 7.85+2.34-0.85+4.66 = 3.5 98= 0.8×37.6+1.25 = 5.17-1.8-3.2= 0.27+0.27×0.37+0.27×0.63 = 3.68+7.56-2.68 = 9.6+4.8-3.6 = 12.5×4×2.5×16= 13.75-(3.75+6.48)= 9.68×101 = 35.6-1.8-15.6-7.2= 3.82+2.9+0.18+9.1 0.78÷0.25÷4= 7.7×0.16÷7.7×12.5 =
简便运算 - 第 2 讲 简便运算(1) 一、基础 所谓简算, 就是利用我们学过的运算法则和运算性质以及运算技巧, 来解决一些用常规方法 在短时间内无法实现的运算...100道简便计算题 - (48+27)×9 324?(24+13) 369?342÷9 (186?151)×15÷25 136×101?136 38×5 ?245÷5 21+56+7...数学五年级下册简便计算题100道 - 简便计算题: 1)6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 2)4.02+5.4+0.98 5...四年级简便运算_四年级数学_数学_小学教育_教育专区。运算定律与简便计算 (一)加减法运算定律 1.加法交换律 定义:两个加数交换位置,和不变 字母表示: a ? b...较复杂的简便运算(二) 例 1:
=9999×(1000+1) =+ = 【解题提示】此题把 1001 看成 1000+1,然后根据...人教版小学数学简便运算题汇总
简便计算注意以下四点: 1、一般情况下,四则运算的计算顺序是:有括号时,先算(括号里面的) ,没有括 号时,先算 (...小学数学简便运算_数学_小学教育_教育专区。《六年级 小学数学简便运算归类练习》 明确四点: A、 一般情况下, 四则运算的计算顺序是: 有括号时, 先算 再算 ,...简便运算规律_数学_小学教育_教育专区。一.运算定律 加法交换律:a+b = b+a 加法结合律: (a+b)+c = a+(b+c) 乘法交换律:a×b = b×a 乘法结合律...简便计算 计算教学是支撑小学数学的最基本框架,占据着小学数学一半以上的教学时间。而“简便计 算”更是小学数学教学中的一部“重头戏”, 它被视作对 学生 进行...简便运算的练习题和答案 - (1)乘法交换律:a×b=b×a 38×25×4 42×125×8 运算定律练习题 乘法结合律: (a×b)×c=a×(b×c) 25×17×4 (25×...
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