Which of the following interchanges of signs would make the given equation correct?
784 ÷ 112 + 28 × 2 - 63 = 729
1
+ and ×
2
× and −
3
÷ and +
4
− and ÷
Which of the following interchanges of signs would make the given equation correct?
784 ÷ 112 + 28 × 2 - 63 = 729