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 (7.2×(2×6.9-7.2/2)/16+7.2×(2×6.9-7.2/2)/16+7.2^2/16+7.2^2/16)×2+((7.2×2-2.4)×2.4/8+(7.2×2-2.4)×2.4/8)×2 的值.
题型:数学计算
解:
(7.2×(2×6.9-7.2/2)/16+7.2×(2×6.9-7.2/2)/16+7.2^2/16+7.2^2/16)×2+((7.2×2-2.4)×2.4/8+(7.2×2-2.4)×2.4/8)×2
=(7.2×10.2/16+7.2×(2×6.9-7.2/2)/16+7.2^2/16+7.2^2/16)×2+((7.2×2-2.4)×2.4/8+(7.2×2-2.4)×2.4/8)×2
=(7.2×10.2/16+7.2×10.2/16+7.2^2/16+7.2^2/16)×2+((7.2×2-2.4)×2.4/8+(7.2×2-2.4)×2.4/8)×2
=15.66×2+((7.2×2-2.4)×2.4/8+(7.2×2-2.4)×2.4/8)×2
=15.66×2+(12×2.4/8+(7.2×2-2.4)×2.4/8)×2
=15.66×2+(12×2.4/8+12×2.4/8)×2
=15.66×2+7.2×2
=31.32+7.2×2
=31.32+14.4
=45.72 答案:(7.2×(2×6.9-7.2/2)/16+7.2×(2×6.9-7.2/2)/16+7.2^2/16+7.2^2/16)×2+((7.2×2-2.4)×2.4/8+(7.2×2-2.4)×2.4/8)×2=45.72你的问题在这里没有得到解决?请到 热门难题 里面看看吧!