5.7.9.10的24点怎么算

2024-12-14 05:37:23
推荐回答(3个)
回答1:

5*(10-7)+9
=5*3+9
=15+9
=24;

9-5*(7-10)
=9-5*(-3)
=9-(-15)
=9+15
=24;
……

回答2:

5×(10-7)+9=24

回答3:

(10-5)*7-9