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 1.9782×2.2×40+6.8×65+4.9×80+1.1×130+0.28×6200×0.31 的值.
题型:数学计算
解:
1.9782×2.2×40+6.8×65+4.9×80+1.1×130+0.28×6200×0.31
=4.35204×40+6.8×65+4.9×80+1.1×130+0.28×6200×0.31
=174.0816+6.8×65+4.9×80+1.1×130+0.28×6200×0.31
=174.0816+442+4.9×80+1.1×130+0.28×6200×0.31
=174.0816+442+392+1.1×130+0.28×6200×0.31
=174.0816+442+392+143+0.28×6200×0.31
=174.0816+442+392+143+1736×0.31
=174.0816+442+392+143+538.16
=616.0816+392+143+538.16
=1008.0816+143+538.16
=1151.0816+538.16
=1689.2416 答案:1.9782×2.2×40+6.8×65+4.9×80+1.1×130+0.28×6200×0.31=1689.2416你的问题在这里没有得到解决?请到 热门难题 里面看看吧!