一、(3+10)×2-2=24;
二、(5+8)×2-2=24;
三、3×9+5-8=24,
(8-5)×9-3=24;
四、(3+4)×4-4=24
(10+3)*2-2;
(5+8)*2-2;
(8-5)*9-3;
(3+4)*4-4;
4*7-8+4;
2*10-5+9;
(4-1)*10-6;
3*10-6*1;
6/2*5+9;
3*10-(9-3);
(6-3)*10-6;
6*9-5*6;
(8-5)*10-6;
(10-7)*10-6;
(7+9)*2-8;
(10+1)*3-9