用02.04,10,10四个数利用加减乘除括号得数要等于24,四个数分别只能用一次,如何列式?

1:(2 + 4 ÷ 10) × 10
2:(2 + (4 ÷ 10)) × 10
3:(2 + 4 ÷ 10) × 10
4:(2 + (4 ÷ 10)) × 10
5:(4 ÷ 10 + 2) × 10
6:((4 ÷ 10) + 2) × 10
7:(4 ÷ 10 + 2) × 10
8:((4 ÷ 10) + 2) × 10
9:10 × (2 + 4 ÷ 10)
10:10 × (2 + (4 ÷ 10))
11:10 × (4 ÷ 10 + 2)
12:10 × ((4 ÷ 10) + 2)
13:10 × (2 + 4 ÷ 10)
14:10 × (2 + (4 ÷ 10))
15:10 × (4 ÷ 10 + 2)
16:10 × ((4 ÷ 10) + 2)