By interchanging the given two signs which of the following equation will be correct?
+ and –
1
55 ÷ 11 – 15 + 3 × 2 = 15
2
4 × 3 – 6 ÷ 2 + 7 = 7
3
15 - 7 × 8 + 18 ÷ 3 = 65
4
529 ÷ 23 + 10 - 5 × 4 = 30
By interchanging the given two signs which of the following equation will be correct?
+ and –