MCQOPTIONS
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| 1. |
The following equation is incorrect. Which two signs should be interchanged to correct the equation?15 × 12 + 40 ÷ 40 - 6 = 21 |
| A. | + and × |
| B. | + and ÷ |
| C. | - and + |
| D. | ÷ and × |
| Answer» B. + and ÷ | |