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 (20+18.8×2.85+20.2×2.62+19.2×1.02+18.8×4.22)×0.61-2×24.2×0.79 的值.
题型:数学计算
解:
(20+18.8×2.85+20.2×2.62+19.2×1.02+18.8×4.22)×0.61-2×24.2×0.79
=225.424×0.61-2×24.2×0.79
=137.50864-2×24.2×0.79
=137.50864-48.4×0.79
=137.50864-38.236
=99.27264 答案:(20+18.8×2.85+20.2×2.62+19.2×1.02+18.8×4.22)×0.61-2×24.2×0.79=99.27264你的问题在这里没有得到解决?请到 热门难题 里面看看吧!