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 1/12×(0.85)^2×((2×2.8+0.9)*(64-(2×2.8×2.4×0.5×26)/(2.8×2.4))+(32-24.7)×2.8) 的值.
题型:数学计算
解:
1/12×(0.85)^2×((2×2.8+0.9)*(64-(2×2.8×2.4×0.5×26)/(2.8×2.4))+(32-24.7)×2.8)
=1/12×0.85^2×((2×2.8+0.9)*(64-(2×2.8×2.4×0.5×26)/(2.8×2.4))+(32-24.7)×2.8)
=1/12×0.85^2×(6.5*(64-(2×2.8×2.4×0.5×26)/(2.8×2.4))+(32-24.7)×2.8)
=1/12×0.85^2×(6.5*(64-174.72/(2.8×2.4))+(32-24.7)×2.8)
=1/12×0.85^2×(6.5*(64-174.72/6.72)+(32-24.7)×2.8)
=1/12×0.85^2×(6.5*38+(32-24.7)×2.8)
=1/12×0.85^2×(6.5*38+7.3×2.8)
=1/12×0.85^2×267.44
=1/12×0.7225×267.44
=0.083333×0.7225×267.44
=0.060208×267.44
=16.102028 答案:1/12×(0.85)^2×((2×2.8+0.9)*(64-(2×2.8×2.4×0.5×26)/(2.8×2.4))+(32-24.7)×2.8)=16.102028你的问题在这里没有得到解决?请到 热门难题 里面看看吧!