MCQOPTIONS
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| 1. |
The following equation is incorrect. Which two signs should be interchanged to rectify the equation?10 × 4 + 5 - 30 ÷ 6 = 31 |
| A. | × and - |
| B. | ÷ and - |
| C. | + and ÷ |
| D. | - and + |
| Answer» B. ÷ and - | |