24点:5 5 7 11
问题描述:
24点:5 5 7 11
答
5×(7-11÷5)=24
答
5 × (7 - 11 ÷ 5)
5 × (7 - (11 ÷ 5))
(7 - 11 ÷ 5) × 5
(7 - (11 ÷ 5)) × 5