八分之七乘百分之七十二除以五分之九简便运算怎么算?还有2400×33%×5麻烦各位
八分之七乘百分之七十二除以五分之九简便运算怎么算?还有2400×33%×5麻烦各位
数学人气:869 ℃时间:2019-10-19 13:49:45
优质解答
7/8x72%÷9/5=7/8x18/25÷9/5=63/100x5/9=7/20
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