5,5,10,2.算24点,
问题描述:
5,5,10,2.算24点,
答
1:5 × (5 - 2 ÷ 10)
2:5 × (5 - (2 ÷ 10))
3:(5 - 2 ÷ 10) × 5
4:(5 - (2 ÷ 10)) × 5