By interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 2 and 4
1
9 – 5 ÷ 4 × 2 + 8 = 80
2
7 × 4 – 2 ÷ 1 + 5 = 13
3
7 – 8 ÷ 2 + 16 × 4 = 18
4
5 + 7 × 4 – 8 ÷ 2 = 5
By interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 2 and 4