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/etc/nginx/nginx.conf.查看: 1135|回复: 14
详细算式！
3.4*3.4/1.5
=11.56/1.5
=578/75平方米
设黑板宽为x分米，则长为3x分米 2（x+3x)=96 4x=48 x=12 3x=36 12×36=432 答：这块黑板的长为36分米，宽为12分米；面积是432平方分米。
3.4除以1.5再乘3.4不就好了吗
5/2×1/2=5/4米 所以宽是5/4米 5/4×5/2=25/8平方米 答：这块黑板的面积是25/8平方米
3.4x3.4÷1.5
=11.56÷1.5
阿扬的世界
S=3.8*（3.8*1/2）=7.22平米
枣庄要强大
3.4*3.4/1.5=11.56/1.5=/75
超越另一个自我
宽=2.7-1.8=0.9 周长=2×（2.7+0.9）=7.2米 面积=2.7×0.9=2.43米2
祝你学业有成! 麻烦自己算一下! 好的老师只会指点一下哦! 毕竟别人是不能代替你考试的的! 帮助别人真高兴! o(≧v≦)o~~ 解：周长是8米=长+宽=+长+宽 长与宽的比是3：1 所以长宽3，1 所以面=长*宽 要记得公式哦！ 相信剩下的你自己就可以解决了哦！
长=1.2×3.5=4.2（米） 面积=1.2×4.2=5.04（平方米） 答：黑板的面积是5.04平方米The page is temporarily unavailable
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