1457加减乘除等于24有几种方法？

1+((4*7)-5)

(1+(4*7))-5

1-(5-(4*7))

(1-5)+(4*7)

1-(5-(7*4))

(1-5)+(7*4)

1+((7*4)-5)

(1+(7*4))-5

((4*7)+1)-5

(4*7)+(1-5)

(4*7)-(5-1)

((4*7)-5)+1

((5-1)*7)-4

((7*4)+1)-5

(7*4)+(1-5)

(7*4)-(5-1)

((7*4)-5)+1

(7*(5-1))-4

匿名回答于2023-10-04 19:24:50