MCQOPTIONS
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| 1. |
The following equation is incorrect. Which two signs should be interchanged to correct the equation?90 ÷ 10 + 5 - 6 × 4 = 28 |
| A. | - and + |
| B. | ÷ and × |
| C. | × and - |
| D. | ÷ and - |
| Answer» B. ÷ and × | |