-7和-7和-3和3怎么等于24或-24-7和-7和-3和3加.减.乘.除怎么等于24或-24
问题描述:
-7和-7和-3和3怎么等于24或-24
-7和-7和-3和3加.减.乘.除怎么等于24或-24
答
24
答
[-7-(-7)]+3*(-3)+(-3)/3=-14+(-9)+(-1)=-24
[-7-(-7)]*(-3)/3+3*(-3)*(-3)/3+(-3)/3*(-3)/3=14+9+1=24
答
24
[-3+3/(-7)]*(-7)=24
-24
[(-3)/(-7)+3]*(-7)=-24
答
[(3/-7)+(-3)]*(-7)=24