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×(0.45)^2×((2×1.8+1.8)*(338.3+304.3-(2×1.35×0.8×26)/(1.8×1.8))+(338.3-304.3)×1.8) 的值.
题型:数学计算
解:
1/12×(0.45)^2×((2×1.8+1.8)*(338.3+304.3-(2×1.35×0.8×26)/(1.8×1.8))+(338.3-304.3)×1.8)
=1/12×0.45^2×((2×1.8+1.8)*(338.3+304.3-(2×1.35×0.8×26)/(1.8×1.8))+(338.3-304.3)×1.8)
=1/12×0.45^2×(5.4*(338.3+304.3-(2×1.35×0.8×26)/(1.8×1.8))+(338.3-304.3)×1.8)
=1/12×0.45^2×(5.4*(338.3+304.3-56.16/(1.8×1.8))+(338.3-304.3)×1.8)
=1/12×0.45^2×(5.4*(338.3+304.3-56.16/3.24)+(338.3-304.3)×1.8)
=1/12×0.45^2×(5.4*625.266667+(338.3-304.3)×1.8)
=1/12×0.45^2×(5.4*625.266667+34×1.8)
=1/12×0.45^2×3437.640002
=1/12×0.2025×3437.640002
=0.083333×0.2025×3437.640002
=0.016875×3437.640002
=58.010175 答案:1/12×(0.45)^2×((2×1.8+1.8)*(338.3+304.3-(2×1.35×0.8×26)/(1.8×1.8))+(338.3-304.3)×1.8)=58.010175你的问题在这里没有得到解决?请到 热门难题 里面看看吧!