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 ((-15%-10.5%)^2×0.1+(10%-10.5%)^2×0.6+(20%-10.5%)^2×0.3)^0.5 的值.
题型:数学计算
解:
((-15%-10.5%)^2×0.1+(10%-10.5%)^2×0.6+(20%-10.5%)^2×0.3)^0.5
=((-0.255)^2×0.1+(10%-10.5%)^2×0.6+(20%-10.5%)^2×0.3)^0.5
=(-0.255^2×0.1+(-0.005)^2×0.6+(20%-10.5%)^2×0.3)^0.5
=(-0.255^2×0.1+(-0.005)^2×0.6+0.095^2×0.3)^0.5
=0.009225^0.5
=0.096046863561493 答案:((-15%-10.5%)^2×0.1+(10%-10.5%)^2×0.6+(20%-10.5%)^2×0.3)^0.5=0.096046863561493你的问题在这里没有得到解决?请到 热门难题 里面看看吧!