总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 (23×6.28×64.19+15×75.31)/(((23×9.6+22×2.5+19.1×2.4+22×0.5)/(9.6+2.5+2.4+0.5))×(8.72+6.28)+20) 的值.
题型:数学计算
解:
(23×6.28×64.19+15×75.31)/(((23×9.6+22×2.5+19.1×2.4+22×0.5)/(9.6+2.5+2.4+0.5))×(8.72+6.28)+20)
=10401.2536/(((23×9.6+22×2.5+19.1×2.4+22×0.5)/(9.6+2.5+2.4+0.5))×(8.72+6.28)+20)
=10401.2536/((332.64/(9.6+2.5+2.4+0.5))×(8.72+6.28)+20)
=10401.2536/((332.64/15)×(8.72+6.28)+20)
=10401.2536/(22.176×(8.72+6.28)+20)
=10401.2536/(22.176×15+20)
=10401.2536/352.64
=29.495388 答案:(23×6.28×64.19+15×75.31)/(((23×9.6+22×2.5+19.1×2.4+22×0.5)/(9.6+2.5+2.4+0.5))×(8.72+6.28)+20)=29.495388你的问题在这里没有得到解决?请到 热门难题 里面看看吧!