MCQOPTIONS
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| 1. |
The following equation is incorrect. Which two signs should be interchanged to correct the equation? 12 - 6 x 5 + 20 ÷ 4 = 31 |
| A. | |
| B. | |
| C. | - and + |
| D. | ÷ and x |
| Answer» C. - and + | |