

MCQOPTIONS
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1. |
Which of the two signs should be interchanged in order to make the following equation correct?21 + 5 × 2 – 21 ÷ 3 = 12 |
A. | + and - |
B. | – and ÷ |
C. | – and × |
D. | × and ÷ |
Answer» D. × and ÷ | |