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 1/12×1600×205^3+1600×205×(411.82-102.5)^2+1/12×200×1500^3+200×1500×(750-411.82)^2 的值.
题型:数学计算
解:
1/12×1600×205^3+1600×205×(411.82-102.5)^2+1/12×200×1500^3+200×1500×(750-411.82)^2
=1/12×1600×205^3+1600×205×309.32^2+1/12×200×1500^3+200×1500×(750-411.82)^2
=1/12×1600×205^3+1600×205×309.32^2+1/12×200×1500^3+200×1500×338.18^2
=1/12×1600×8615125+1600×205×309.32^2+1/12×200×1500^3+200×1500×338.18^2
=1/12×1600×8615125+1600×205×95678.862399999998161+1/12×200×1500^3+200×1500×338.18^2
=1/12×1600×8615125+1600×205×95678.862399999998161+1/12×200×3375000000+200×1500×338.18^2
=1/12×1600×8615125+1600×205×95678.862399999998161+1/12×200×3375000000+200×1500×114365.712400000003981
=0.083333×1600×8615125+1600×205×95678.862399999998161+1/12×200×3375000000+200×1500×114365.712400000003981
=133.3328×8615125+1600×205×95678.862399999998161+1/12×200×3375000000+200×1500×114365.712400000003981
=1148678738.6+1600×205×95678.862399999998161+1/12×200×3375000000+200×1500×114365.712400000003981
=1148678738.6+328000×95678.862399999998161+1/12×200×3375000000+200×1500×114365.712400000003981
=1148678738.6+31382666867.200001+1/12×200×3375000000+200×1500×114365.712400000003981
=1148678738.6+31382666867.200001+0.083333×200×3375000000+200×1500×114365.712400000003981
=1148678738.6+31382666867.200001+16.6666×3375000000+200×1500×114365.712400000003981
=1148678738.6+31382666867.200001+56249775000+200×1500×114365.712400000003981
=1148678738.6+31382666867.200001+56249775000+300000×114365.712400000003981
=1148678738.6+31382666867.200001+56249775000+34309713720
=32531345605.799999+56249775000+34309713720
=88781120605.800003+34309713720
=123090834325.800003 答案:1/12×1600×205^3+1600×205×(411.82-102.5)^2+1/12×200×1500^3+200×1500×(750-411.82)^2=123090834325.800003你的问题在这里没有得到解决?请到 热门难题 里面看看吧!