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 (7.6×1.1+28×11+24×4.7+11×3+21×4.8+19×2.9)×π×0.8+500×π×0.8×0.8×0.25 的值.
题型:数学计算
解:
(7.6×1.1+28×11+24×4.7+11×3+21×4.8+19×2.9)×π×0.8+500×π×0.8×0.8×0.25
=618.06×π×0.8+500×π×0.8×0.8×0.25
=1941.692755×0.8+500×π×0.8×0.8×0.25
=1553.354204+500×π×0.8×0.8×0.25
=1553.354204+1570.796327×0.8×0.8×0.25
=1553.354204+1256.637062×0.8×0.25
=1553.354204+1005.30965×0.25
=1553.354204+251.327413
=1804.681617 答案:(7.6×1.1+28×11+24×4.7+11×3+21×4.8+19×2.9)×π×0.8+500×π×0.8×0.8×0.25=1804.681617你的问题在这里没有得到解决?请到 热门难题 里面看看吧!