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 155×(0.5+0.42+0.34+0.26)+1/2×52.7×9.2×0.46+1/2×52.7×0.22×4.4 的值.
题型:数学计算
解:
155×(0.5+0.42+0.34+0.26)+1/2×52.7×9.2×0.46+1/2×52.7×0.22×4.4
=155×1.52+1/2×52.7×9.2×0.46+1/2×52.7×0.22×4.4
=235.6+1/2×52.7×9.2×0.46+1/2×52.7×0.22×4.4
=235.6+0.5×52.7×9.2×0.46+1/2×52.7×0.22×4.4
=235.6+26.35×9.2×0.46+1/2×52.7×0.22×4.4
=235.6+242.42×0.46+1/2×52.7×0.22×4.4
=235.6+111.5132+1/2×52.7×0.22×4.4
=235.6+111.5132+0.5×52.7×0.22×4.4
=235.6+111.5132+26.35×0.22×4.4
=235.6+111.5132+5.797×4.4
=235.6+111.5132+25.5068
=347.1132+25.5068
=372.62 答案:155×(0.5+0.42+0.34+0.26)+1/2×52.7×9.2×0.46+1/2×52.7×0.22×4.4=372.62你的问题在这里没有得到解决?请到 热门难题 里面看看吧!