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 (0.0369+0.2×0.0046)×6.28×4.2*4.2+(0.075+0.2×0.0271)×1.96×4.2*4.2/2 的值.
题型:数学计算
解:
(0.0369+0.2×0.0046)×6.28×4.2*4.2+(0.075+0.2×0.0271)×1.96×4.2*4.2/2
=0.03782×6.28×4.2*4.2+(0.075+0.2×0.0271)×1.96×4.2*4.2/2
=0.03782×6.28×4.2*4.2+0.08042×1.96×4.2*4.2/2
=0.23751×4.2*4.2+0.08042×1.96×4.2*4.2/2
=0.997542*4.2+0.08042×1.96×4.2*4.2/2
=4.189676+0.08042×1.96×4.2*4.2/2
=4.189676+0.157623×4.2*4.2/2
=4.189676+0.662017*4.2/2
=4.189676+2.780471/2
=4.189676+1.390235
=5.579911 答案:(0.0369+0.2×0.0046)×6.28×4.2*4.2+(0.075+0.2×0.0271)×1.96×4.2*4.2/2=5.579911你的问题在这里没有得到解决?请到 热门难题 里面看看吧!