Which two signs and numbers need to be interchanged to make the following equation correct?
(31 × 3) - (27 × 4) + (81 ÷ 9) = 126
1
27 and 81, + and -
2
31 and 27, + and -
3
3 and 4, ÷ and +
4
27 and 9, + and -
Which two signs and numbers need to be interchanged to make the following equation correct?
(31 × 3) - (27 × 4) + (81 ÷ 9) = 126