不要分数的，例如12×6÷7.2-6的，记住不要分数...
不要分数的，例如
12×6÷7.2-6 的，
记住不要分数
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72+25×4÷2-4
70÷2+71×100
10×100-118÷106÷ 3×8 – 3×8 ÷6 (1) 103÷73-159-57= (2) 83×91÷131+38= (3) 197-46+67-13= (4) 38÷54×126-52= (5) 192+52×136÷66= (6) 123-47+159-16= (7) 164×23-126+74= (8) 117+21+17-19= (9) 7÷9×161+93= (10) 93×35-128+36= (11) 86×9×187×99= (12) 68÷83-14÷54= (13) 80÷93+15-17= (14) 51+20÷143-90= (15) 42+31×180+42= (16) 96÷82-173×25= (17) 42÷12×180-66= (18) 152-18÷10×19= (19) 16-69÷137×5= (20) 109÷9-51÷45= (21) 23+15+37÷18= (22) 52+95÷37÷12= (23) 88×51+188÷40= (24) 112×3-103×82= (25) 56-7-66-1= (26) 109×66-29×10= (27) 39+55-166-52= (28) 11÷55÷86÷51= (29) 71-42+50×92= (30) 177÷97-92÷4= (31) 151×9÷1+93= (32) 13×7÷56×18= (33) 99-21+70-22= (34) 14×5÷33-34= (35) 4÷90-125+67= (36) 24-48-170÷97= (37) 73÷98-106+66= (38) 76+53÷158+91= (39) 81-28÷69+27= (40) 50+20×83÷56= (41) 23÷78-40×54= (42) 118-58+73-17= (43) 161÷98÷64+75= (44) 198×12÷152-9= (45) 80×12÷54-64= (46) 198-85×85-1= (47) 128+33÷42+66= (48) 73×66+33-21= (49) 75×3÷28+24= (50) 71-51+199-83= (51) 161-8+33×2= (52) 182÷71÷82-9= (53) 141+5+144×12= (54) 193÷20÷123÷55= (55) 142÷50×169+36= (56) 132+70×156÷38= (57) 108×21-83×55= (58) 122×9+62+58= (59) 53÷40×81÷71= (60) 28+53-11-25= (61) 107-4-26-33= (62) 112÷82×122-81= (63) 174-4×101-61= (64) 77÷59-103-33= (65) 171+56÷55÷73= (66) 121-56-110×67= (67) 86×22-59+9= (68) 185÷79×189-80= (69) 28÷33÷151×54= (70) 4×96+132×5= (71) 72-20-87-67= (72) 158+56×124+31= (73) 113-35×194-3= (74) 119+19+194-34= (75) 112-77÷17÷39= (76) 102-78÷65×1= (77) 154×17×167×98= (78) 120×88÷2÷48= (79) 88-22×179-78= (80) 25+86×67+55= (81) 184×81+151-69= (82) 165+21÷164+85= (83) 181÷32+4÷87= (84) 31×72×89×11= (85) 134+82+126÷92= (86) 109×82+184÷37= (87) 71×36+25-20= (88) 128-75-185+32= (89) 36+22-175+97= (90) 109-87-70×45= (91) 141+12×71÷78= (92) 21-87÷111×35= (93) 19×53×77-61= (94) 22+4÷127-97= (95) 71-87×75÷17= (96) 116÷48-125÷86= (97) 117+79×116÷13= (98) 2+45-161÷38= (99) 44×40-68×38= (100) 121+49+183×99= (101) 59+54+71×29= (102) 108-77×80÷55= (103) 139÷99×180+94= (104) 41÷30÷139+43= (105) 78+79+24×39= (106) 94÷17×89+89= (107) 138-43÷44÷89= (108) 182÷81-152÷30= (109) 103+10+156-21= (110) 17×29×95×33= (111) 124+98-191+77= (112) 152÷45+77×27= (113) 168÷48+149÷3= (114) 34×28÷103÷25= (115) 75×45+50×60= (116) 55-11÷70÷49= (117) 3÷47÷184×61= (118) 200+81÷20×56= (119) 75÷10-155-90= (120) 98×19-188+63= (121) 38+10+141+27= (122) 72÷5+53÷68= (123) 105÷71-136+73= (124) 188-60+187×83= (125) 6-89×3÷77= (126) 106÷62×107-51= (127) 44÷57-125÷60= (128) 131÷75÷122-76= (129) 138÷89+51+39= (130) 59×71-188÷46= (131) 76+46+152×54= (132) 32-56+152×57= (133) 165÷62-65÷91= (134) 186×95×4+43= (135) 81×67÷149+10= (136) 99×41×130+92= (137) 118-12-128+62= (138) 44-52-160÷82= (139) 39×96×147-28= (140) 37-23+15÷96= (141) 128÷90×19×30= (142) 89-7×162+55= (143) 34-63+77-64= (144) 53+41+62+36= (145) 27×3+22÷23= (146) 78+73+17+2= (147) 45÷45÷172×20= (148) 53+85-27÷26= (149) 146×99×116×18= (150) 66-19÷31-14= (151) 154-70-161×49= (152) 44÷98÷166+31= (153) 116-85×183-44= (154) 10-59+11+30= (155) 143÷18+76×55= (156) 130+70-37×69= (157) 68-14-4×80= (158) 166÷59÷61-43= (159) 92×16÷49-90= (160) 120×40-95÷5= (161) 34×87-61×53= (162) 90+35+190÷91= (163) 183÷40÷110÷58= (164) 118×99-96×52= (165) 145+58×135×42= (166) 39÷52÷103-68= (167) 97÷22÷192×12= (168) 132+90×96÷79= (169) 33÷32-107+73= (170) 169×26×5×13= (171) 15-37+124+54= (172) 67×2+53÷1= (173) 27+59÷158+27= (174) 136+22÷5-15= (175) 19÷15×39÷38= (176) 130-74×21×82= (177) 161÷44÷170+31= (178) 97-56+106×17= (179) 90-33-168+68= (180) 27×98-158÷39= (181) 164÷39+123÷62= (182) 106×93-17÷8= (183) 109+19-42+95= (184) 164÷17×120÷37= (185) 68+49+99÷49= (186) 122×51-144+29= (187) 57-52÷91÷25= (188) 48÷17-62×92= (189) 5×26+80÷71= (190) 200-93-191+71= (191) 15÷61-48÷9= (192) 84-42×42+69= (193) 6+72×147×55= (194) 97-36+167×75= (195) 165+22-144-50= (196) 179-81÷14×85= (197) 1×42-80×79= (198) 68+45-176-31= (199) 189-64÷110-2= (200) 140×76+37×5= (201) 23×39-161×72= (202) 69÷36+26+80= (203) 66×65÷177-67= (204) 72÷18×65÷43= (205) 2×15+171+12= (206) 158÷74×22×12= (207) 80×54+76×1= (208) 182×45-156×66= (209) 169-72×192÷26= (210) 90×75+171÷68= (211) 10-8÷39÷4= (212) 176+49÷65×90= (213) 57×67×5×93= (214) 122×6+179-39= (215) 138-55-197+29= (216) 60×71×48-80= (217) 96-99×91+42= (218) 10÷80+52+65= (219) 45+74+181+81= (220) 140-2-62-53= (221) 17-25÷31×49= (222) 10+65-96÷37= (223) 13-93×123+14= (224) 23÷81+164+72= (225) 52×45×107+44= (226) 78×75-119+95= (227) 23÷90÷53-29= (228) 16-1÷108-55= (229) 132-14-99+5= (230) 71+76-25+32= (231) 155+93×103×79= (232) 123÷1÷153+66= (233) 88÷33+90-58= (234) 145+84+21-85= (235) 192÷80+104+68= (236) 52÷71×53-22= (237) 51×57-60-83= (238) 155-65×14×47= (239) 15÷80-188÷49= (240) 9×53×65÷87= (241) 53+89+90+9= (242) 59÷33×10÷58= (243) 4×70-186+26= (244) 99-37-146-79= (245) 25×81÷162×12= (246) 113×56-115×9= (247) 42÷78+28×50= (248) 130-64+151+61= (249) 198×38÷158-22= 除不尽的保留，不过很少有除不尽的，记住要用约等于号！
混合运算的规律是先乘除后加减，如果是同级运算的话就从左到右，12×6等于72再÷7.2等于10再-6等于4}