By interchanging the given two signs which of the following equation will be not correct?
+ and –
1
8 ÷ 4 × 6 + 5 – 9 = 16
2
15 + 3 × 4 – 6 ÷ 2 = 6
3
3 × 2 – 72 ÷ 6 + 8 = 18
4
3 + 4 – 2 × 5 ÷ 1 = 9
By interchanging the given two signs which of the following equation will be not correct?
+ and –