By interchanging which two signs the equation will be correct?
7 × 60 – 156 ÷ 13 + 9 = 423
1
× and ÷
2
+ and -
3
× and +
4
More than one of the above
5
None of the above
By interchanging which two signs the equation will be correct?
7 × 60 – 156 ÷ 13 + 9 = 423