Question

1 3 7 12这4格数怎么算24

Answer 1

1:(7 - 1) ÷ 3 × 12=24

2:((7 - 1) ÷ 3) × 12=24

3:(7 - 1) ÷ (3 ÷ 12)=24

4:(7 - 1) × 12 ÷ 3=24

5:((7 - 1) × 12) ÷ 3=24

6:(7 - 1) × (12 ÷ 3)=24

7:12 ÷ 3 ×(7 - 1)=24

8:(12 ÷ 3) × (7 - 1)=24

9:12 ÷ (3 ÷ (7 - 1))=24

10:(12 × (7 - 1)) ÷ 3=24

11:12 × (7 - 1) ÷ 3=24

12:12 × ((7 - 1) ÷ 3)=24