Practicing Success
Correct the following equation by interchanging the two signs: 5 × 15 ÷ 7 - 20 + 4 = 77 |
- and + × and ÷ + and ÷ + and × |
+ and ÷ |
Given equation: 5 × 15 ÷ 7 - 20 + 4 = 77 Interchanging signs: (÷ and +) 5 × 15 + 7 – 20 ÷ 4 According to BODMAS rule. 5 × 15 + 7 – 20 ÷ 4 = 5 × 15 + 7 – 5 = 82 - 5 = 77 |