The following equation is incorrect. Which two signs should be interchanged to correct the equation?
1 ÷ 14 × 30 + 20 - 10 = 12
1
'÷', '×'
2
'×', '-'
3
'-', '+'
4
'+', '÷'
The following equation is incorrect. Which two signs should be interchanged to correct the equation?
1 ÷ 14 × 30 + 20 - 10 = 12