用3~负5~负13,通过加减乘除和括号,怎么算24

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用3~负5~负13,通过加减乘除和括号,怎么算24

用3~负5~负13,通过加减乘除和括号,怎么算24
用3~负5~负13,通过加减乘除和括号,怎么算24

用3~负5~负13,通过加减乘除和括号,怎么算24
{(-5))*(-13)+7}/3 =(65+7)/3 =72/3 =24 [(-5)*(-13)+7]/3 =24

1: (5 × 13 + 7) ÷ 3 2: ((5 × 13) + 7) ÷ 3 3: (7 + 5 × 13) ÷ 3 4: (7 + (5 × 13)) ÷ 3 5: (7 + 13 × 5) ÷ 3 6: (7 + (13 × 5)) ÷ 3 7: (13 × 5 + 7) ÷ 3 8: ((13 × 5) + 7) ÷ 3