1:(4 + 4 ÷ 5) × 5
2:(4 + (4 ÷ 5)) × 5
3:4 × (5 - 4 + 5)
4:4 × ((5 - 4) + 5)
5:4 × (5 - (4 - 5))
6:(4 ÷ 5 + 4) × 5
7:((4 ÷ 5) + 4) × 5
8:4 × (5 + 5 - 4)
9:4 × ((5 + 5) - 4)
10:4 × (5 + (5 - 4))
11:5 × (4 + 4 ÷ 5)
12:5 × (4 + (4 ÷ 5))
13:(5 - 4 + 5) × 4
14:((5 - 4) + 5) × 4
15:(5 - (4 - 5)) × 4
16:5 × (4 ÷ 5 + 4)
17:5 × ((4 ÷ 5) + 4)
18:(5 + 5 - 4) × 4
19:((5 + 5) - 4) × 4
20:(5 + (5 - 4)) × 4
21:5 × 5 - 4 ÷ 4
22:(5 × 5) - 4 ÷ 4
23:5 × 5 -(4 ÷ 4)
24:(5 × 5) - (4 ÷ 4)
1:(3 + 3 ÷ 7) × 7
2:(3 + (3 ÷ 7)) × 7
3:(3 ÷ 7 + 3) × 7
4:((3 ÷ 7) + 3) × 7
5:7 × (3 + 3 ÷ 7)
6:7 × (3 + (3 ÷ 7))
7:7 × (3 ÷ 7 + 3)
8:7 × ((3 ÷ 7) + 3)
99+9/9=100