1 3 7 12这4格数怎么算24

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13712这4格数怎么算2413712这4格数怎么算2413712这4格数怎么算241:(7-1)÷3×12=242:((7-1)÷3)×12=243:(7-1)÷(3÷12)=244:(7-1)×1

1 3 7 12这4格数怎么算24
1 3 7 12这4格数怎么算24

1 3 7 12这4格数怎么算24
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