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 4.1×(1.8+1.65)×2+3.1×(1.8+1.65)×2×9+(1.83+2.73)×3.66×10×2 的值.
题型:数学计算
解:
4.1×(1.8+1.65)×2+3.1×(1.8+1.65)×2×9+(1.83+2.73)×3.66×10×2
=4.1×3.45×2+3.1×(1.8+1.65)×2×9+(1.83+2.73)×3.66×10×2
=4.1×3.45×2+3.1×3.45×2×9+(1.83+2.73)×3.66×10×2
=4.1×3.45×2+3.1×3.45×2×9+4.56×3.66×10×2
=14.145×2+3.1×3.45×2×9+4.56×3.66×10×2
=28.29+3.1×3.45×2×9+4.56×3.66×10×2
=28.29+10.695×2×9+4.56×3.66×10×2
=28.29+21.39×9+4.56×3.66×10×2
=28.29+192.51+4.56×3.66×10×2
=28.29+192.51+16.6896×10×2
=28.29+192.51+166.896×2
=28.29+192.51+333.792
=220.8+333.792
=554.592 答案:4.1×(1.8+1.65)×2+3.1×(1.8+1.65)×2×9+(1.83+2.73)×3.66×10×2=554.592你的问题在这里没有得到解决?请到 热门难题 里面看看吧!