x +0.5×2.16%x-20%×0.5×2.16%x=504.32 怎么解,
问题描述:
x +0.5×2.16%x-20%×0.5×2.16%x=504.32 怎么解,
方程
答
x +0.5×2.16%x-20%×0.5×2.16%x=504.32
(1+0.5×2.16%-20%×0.5×2.16%)x=504.32
1.10584x=504.32
456不等于500啊?失误应该:x +0.5×2.16%x-20%×0.5×2.16%x=504.32(1+0.5×2.16%-20%×0.5×2.16%)x=504.321.00864x=504.32 x=500