对你们来说应该不难吧~如题:算24点:11,-7,9,-12

问题描述:

对你们来说应该不难吧~如题:算24点:11,-7,9,-12

1:(7 + 11) ÷ 9 × 122:((7 + 11) ÷ 9) × 123:(7 + 11) ÷ (9 ÷ 12)4:(7 + 11) × 12 ÷ 95:((7 + 11) × 12) ÷ 96:(7 + 11) × (12 ÷ 9)7:(11 + 7) ÷ 9 × 128:((11 + 7) ÷ 9) × 129:(11 + 7) ÷ (9 ÷ 12...