MCQOPTIONS
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| 1. |
The following equation is incorrect. Which two signs should be interchanged to correct the equation?24 + 4 - 20 ÷ 9 × 5 = 31 |
| A. | - and + |
| B. | ÷ and × |
| C. | × and - |
| D. | + and ÷ |
| Answer» E. | |