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 1.1×(1.3×(1.77+2.12+0.103+0.39+0.13+39)+1.5×(2.5+0.78))×0.9×0.9 的值.
题型:数学计算
解:
1.1×(1.3×(1.77+2.12+0.103+0.39+0.13+39)+1.5×(2.5+0.78))×0.9×0.9
=1.1×(1.3×43.513+1.5×(2.5+0.78))×0.9×0.9
=1.1×(1.3×43.513+1.5×3.28)×0.9×0.9
=1.1×61.4869×0.9×0.9
=67.63559×0.9×0.9
=60.872031×0.9
=54.784828 答案:1.1×(1.3×(1.77+2.12+0.103+0.39+0.13+39)+1.5×(2.5+0.78))×0.9×0.9=54.784828你的问题在这里没有得到解决?请到 热门难题 里面看看吧!