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 ((13.84×16.9+1.9×19.2+1×18+3.7×18.7)×3.14+22.6×9.59)/(0.8×18+0.9×18.3+20.4×16.9+1.9×19.2+1×18+3.7×18.7+50) 的值.
题型:数学计算
解:
((13.84×16.9+1.9×19.2+1×18+3.7×18.7)×3.14+22.6×9.59)/(0.8×18+0.9×18.3+20.4×16.9+1.9×19.2+1×18+3.7×18.7+50)
=(357.566×3.14+22.6×9.59)/(0.8×18+0.9×18.3+20.4×16.9+1.9×19.2+1×18+3.7×18.7+50)
=1339.49124/(0.8×18+0.9×18.3+20.4×16.9+1.9×19.2+1×18+3.7×18.7+50)
=1339.49124/549.3
=2.438542 答案:((13.84×16.9+1.9×19.2+1×18+3.7×18.7)×3.14+22.6×9.59)/(0.8×18+0.9×18.3+20.4×16.9+1.9×19.2+1×18+3.7×18.7+50)=2.438542你的问题在这里没有得到解决?请到 热门难题 里面看看吧!