Which two signs should be interchanged to make the equation given below mathematically correct?
63 + 5 ÷ 35 - 7 × 21 = 23
1
÷ and ×
2
× and +
3
÷ and +
4
+ and -
Which two signs should be interchanged to make the equation given below mathematically correct?
63 + 5 ÷ 35 - 7 × 21 = 23