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 1.2×1.5×37+0.7×2.1×19+0.6×1.5×3+1.5×1.5×4+0.9×1.5×3 的值.
题型:数学计算
解:
1.2×1.5×37+0.7×2.1×19+0.6×1.5×3+1.5×1.5×4+0.9×1.5×3
=1.8×37+0.7×2.1×19+0.6×1.5×3+1.5×1.5×4+0.9×1.5×3
=66.6+0.7×2.1×19+0.6×1.5×3+1.5×1.5×4+0.9×1.5×3
=66.6+1.47×19+0.6×1.5×3+1.5×1.5×4+0.9×1.5×3
=66.6+27.93+0.6×1.5×3+1.5×1.5×4+0.9×1.5×3
=66.6+27.93+0.9×3+1.5×1.5×4+0.9×1.5×3
=66.6+27.93+2.7+1.5×1.5×4+0.9×1.5×3
=66.6+27.93+2.7+2.25×4+0.9×1.5×3
=66.6+27.93+2.7+9+0.9×1.5×3
=66.6+27.93+2.7+9+1.35×3
=66.6+27.93+2.7+9+4.05
=94.53+2.7+9+4.05
=97.23+9+4.05
=106.23+4.05
=110.28 答案:1.2×1.5×37+0.7×2.1×19+0.6×1.5×3+1.5×1.5×4+0.9×1.5×3=110.28你的问题在这里没有得到解决?请到 热门难题 里面看看吧!