Question

算24点,要求写出算式：1,2,5,7还有2,3,5,5,运用乘方,加减乘除运算

Answer 1

(1×(2×(5+7)))

((1×2)×(5+7))

(1×(2×(7+5)))

((1×2)×(7+5))

((5-2)×(5+3))

((5-(2-5))×3)

(((5-2)+5)×3)

((5-2)×(3+5))