By interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 7 and 3
1
7 + 3 × 9 – 8 ÷ 2 = 30
2
9 × 7 + 3 – 4 ÷ 2 = 18
3
3 × 4 ÷ 2 + 7 – 5 = 16
4
3 + 7 ÷ 1 – 4 × 2 = 16
By interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 7 and 3