9.87+28.6*4.59/4.59/98.7*2.86+4.59计算
问题描述：
9.87+28.6*4.59/4.59/98.7*2.86+4.59计算
搞错了，应该是
9.87/28.6*4.59/98.7*2.86/4.59
答
9.87÷28.6×4.59÷98.7×2.86÷4.59
=(9.87×4.59×2.86)/(28.6×98.7×4.59)
进行约分
=(1×1×1)/(10×10×1)
=1/100
=0.01