把0,1,2,3,4,5,6,7,8,9十个数字写两个乘法

问题描述:

把0,1,2,3,4,5,6,7,8,9十个数字写两个乘法

(8-4*2)*1=0
8-4-2-1=1
(8-4-2)*1=2
8-4-2+1=3
(8-4)*(2-1)=4
8-4+2-1=5
(8-4+2)*1=6
8-4+2+1=7
8*(4-2-1)=8
8+4-2-1=9
8+4-2*1=10