4 2 7 10怎么算24点

问题描述:

4 2 7 10怎么算24点

(4-2)*7+10=24;
4/2*7+10=24;
4*2*(10-7)=24;
(4-7)*(2-10)=24;
(7-4)*(10-2)=24;
10-(2-4)*7=24;