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 15123+1195×(3.07-3.5)-1/2×20.5×0.39×3.07^2-1/6×20.5×0.39×3.07^3 的值.
题型:数学计算
解:
15123+1195×(3.07-3.5)-1/2×20.5×0.39×3.07^2-1/6×20.5×0.39×3.07^3
=15123+1195×(-0.43)-1/2×20.5×0.39×3.07^2-1/6×20.5×0.39×3.07^3
=15123+1195×(-0.43)-1/2×20.5×0.39×9.424899999999999-1/6×20.5×0.39×3.07^3
=15123+1195×(-0.43)-1/2×20.5×0.39×9.424899999999999-1/6×20.5×0.39×28.934442999999995
=15123+(-513.85)-1/2×20.5×0.39×9.424899999999999-1/6×20.5×0.39×28.934442999999995
=15123+-513.85-0.5×20.5×0.39×9.424899999999999-1/6×20.5×0.39×28.934442999999995
=15123+-513.85-10.25×0.39×9.424899999999999-1/6×20.5×0.39×28.934442999999995
=15123+-513.85-3.9975×9.424899999999999-1/6×20.5×0.39×28.934442999999995
=15123+-513.85-37.676038-1/6×20.5×0.39×28.934442999999995
=15123+-513.85-(37.676038)-0.166667×20.5×0.39×28.934442999999995
=15123+-513.85-(37.676038)-3.416674×0.39×28.934442999999995
=15123+-513.85-(37.676038)-1.332503×28.934442999999995
=15123+-513.85-(37.676038)-38.555232
=14609.15-37.676038-38.555232
=14571.473962-38.555232
=14532.91873 答案:15123+1195×(3.07-3.5)-1/2×20.5×0.39×3.07^2-1/6×20.5×0.39×3.07^3=14532.91873你的问题在这里没有得到解决?请到 热门难题 里面看看吧!