用-2,2,5,10,凑成24点,列式为:

6个回答

  • 1:(2 + 2 ÷ 5) × 10

    2:(2 + (2 ÷ 5)) × 10

    3:(2 × (2 + 5)) + 10

    4:2 × (2 + 5) + 10

    5:(2 + 5) × 2 + 10

    6:((2 + 5) × 2) + 10

    7:(2 - 5) × (2 - 10)

    8:(2 × (5 + 2)) + 10

    9:2 × (5 + 2) + 10

    10:(2 ÷ 5 + 2) × 10

    11:((2 ÷ 5) + 2) × 10

    12:(2 - 10) × (2 - 5)

    13:(5 + 2) × 2 + 10

    14:((5 + 2) × 2) + 10

    15:(5 - 2) × (10 - 2)

    16:(5 × 10 - 2) ÷ 2

    17:((5 × 10) - 2) ÷ 2

    18:10 + (2 × (2 + 5))

    19:10 + 2 ×(2 + 5)

    20:10 × (2 + 2 ÷ 5)

    21:10 × (2 + (2 ÷ 5))

    22:10 + (2 + 5) × 2

    23:10 + ((2 + 5) × 2)

    24:10 + (2 × (5 + 2))

    25:10 + 2 ×(5 + 2)

    26:(10 - 2) × (5 - 2)

    27:10 × (2 ÷ 5 + 2)

    28:10 × ((2 ÷ 5) + 2)

    29:10 + (5 + 2) × 2

    30:10 + ((5 + 2) × 2)

    31:(10 × 5 - 2) ÷ 2

    32:((10 × 5) - 2) ÷ 2