24点:(1)12 5 2 13 (2)1 5 9 12 (3)3 5 12 12 (4)9 2 11 11 (5)3

1个回答

  • (7)2*9+(7-1)

    (8)9/3*(1+7)

    (9)(2 × 7 - 6) × 3

    (10)2 × 9 - 2 + 8

    (11)(1 × 2 + 6) × 3

    (12) 5 × (5 - 1 ÷ 5)

    (13)(2 - 5 + 7) × 6

    (14)(3 + 9 ÷ 5) × 5

    (15)(6 × (6 - 1)) - 6

    (16)10 - 6 + 10 + 10

    (17)3 - 7 ×(7 - 10)

    (18)1 × 6 ×(7 - 3)

    (19)2 × (2 + 2 × 5)

    (20)2 × (2 × 7 - 2)

    (21)3 × 3 + 3 × 5

    (22)6 + 6 ×(6 - 3)

    (23)6 × (6 + 6 - 8)

    (24)2 × 4 + 7 + 9

    (25)(10 × 10 - 4) ÷ 4

    (26)(4 + 9 - 10) × 8