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 6.15×6434×(1334-221.70)^2+1/3×1800×(221.70)^3-1/3×(1800-200)×(221.70-205)^3 的值.
题型:数学计算
解:
6.15×6434×(1334-221.70)^2+1/3×1800×(221.70)^3-1/3×(1800-200)×(221.70-205)^3
=6.15×6434×1112.3^2+1/3×1800×(221.70)^3-1/3×(1800-200)×(221.70-205)^3
=6.15×6434×1112.3^2+1/3×1800×221.7^3-1/3×(1800-200)×(221.70-205)^3
=6.15×6434×1112.3^2+1/3×1800×221.7^3-1/3×1600×(221.70-205)^3
=6.15×6434×1112.3^2+1/3×1800×221.7^3-1/3×1600×16.7^3
=6.15×6434×1237211.289999999804422+1/3×1800×221.7^3-1/3×1600×16.7^3
=6.15×6434×1237211.289999999804422+1/3×1800×10896752.312999999150634-1/3×1600×16.7^3
=6.15×6434×1237211.289999999804422+1/3×1800×10896752.312999999150634-1/3×1600×4657.462999999999738
=39569.1×1237211.289999999804422+1/3×1800×10896752.312999999150634-1/3×1600×4657.462999999999738
=48955337255.138992+1/3×1800×10896752.312999999150634-1/3×1600×4657.462999999999738
=48955337255.138992+0.333333×1800×10896752.312999999150634-1/3×1600×4657.462999999999738
=48955337255.138992+599.9994×10896752.312999999150634-1/3×1600×4657.462999999999738
=48955337255.138992+6538044849.748612-1/3×1600×4657.462999999999738
=48955337255.138992+6538044849.748612-0.333333×1600×4657.462999999999738
=48955337255.138992+6538044849.748612-533.3328×4657.462999999999738
=48955337255.138992+6538044849.748612-2483977.782686
=55493382104.887604-2483977.782686
=55490898127.104919 答案:6.15×6434×(1334-221.70)^2+1/3×1800×(221.70)^3-1/3×(1800-200)×(221.70-205)^3=55490898127.104919你的问题在这里没有得到解决?请到 热门难题 里面看看吧!