2,7,7,10算24点怎么算

1个回答

  • 1:(2 + 10 ÷ 7) × 7

    2:(2 + (10 ÷ 7)) × 7

    3:7 × (2 + 10 ÷ 7)

    4:7 × (2 + (10 ÷ 7))

    5:7 × (10 ÷ 7 + 2)

    6:7 × ((10 ÷ 7) + 2)

    7:(10 ÷ 7 + 2) × 7

    8:((10 ÷ 7) + 2) × 7