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 (486.2×10^3)/(0.962×7916.8×215)+(0.898×22.43×10^6)/(1.15×819724.71×(1-(0.8×486.2)/16712.22)×215) 的值.
题型:数学计算
解:
(486.2×10^3)/(0.962×7916.8×215)+(0.898×22.43×10^6)/(1.15×819724.71×(1-(0.8×486.2)/16712.22)×215)
=486200/(0.962×7916.8×215)+(0.898×22.43×10^6)/(1.15×819724.71×(1-(0.8×486.2)/16712.22)×215)
=486200/1637431.744+(0.898×22.43×10^6)/(1.15×819724.71×(1-(0.8×486.2)/16712.22)×215)
=486200/1637431.744+20142140/(1.15×819724.71×(1-(0.8×486.2)/16712.22)×215)
=486200/1637431.744+20142140/(1.15×819724.71×(1-388.96/16712.22)×215)
=486200/1637431.744+20142140/(1.15×819724.71×0.976726×215)
=486200/1637431.744+20142140/197959831.57276
=0.296928+20142140/197959831.57276
=0.296928+0.101749
=0.398677 答案:(486.2×10^3)/(0.962×7916.8×215)+(0.898×22.43×10^6)/(1.15×819724.71×(1-(0.8×486.2)/16712.22)×215)=0.398677你的问题在这里没有得到解决?请到 热门难题 里面看看吧!