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 (0.0255+0.2×0.0159)×6.42×3.2×3.4+(0.0423+0.2×0.0364)×1.88×3.2×3.4 的值.
题型:数学计算
解:
(0.0255+0.2×0.0159)×6.42×3.2×3.4+(0.0423+0.2×0.0364)×1.88×3.2×3.4
=0.02868×6.42×3.2×3.4+(0.0423+0.2×0.0364)×1.88×3.2×3.4
=0.02868×6.42×3.2×3.4+0.04958×1.88×3.2×3.4
=0.184126×3.2×3.4+0.04958×1.88×3.2×3.4
=0.589203×3.4+0.04958×1.88×3.2×3.4
=2.00329+0.04958×1.88×3.2×3.4
=2.00329+0.09321×3.2×3.4
=2.00329+0.298272×3.4
=2.00329+1.014125
=3.017415 答案:(0.0255+0.2×0.0159)×6.42×3.2×3.4+(0.0423+0.2×0.0364)×1.88×3.2×3.4=3.017415你的问题在这里没有得到解决?请到 热门难题 里面看看吧!