1×12:2 1\times\frac{1}{2}:2 1×21:2
According to the rules of the order of operations, we should first solve the exercise from left to right since there are only multiplication and division operations present:
1×12=12 1\times\frac{1}{2}=\frac{1}{2} 1×21=21
12:2=14 \frac{1}{2}:2=\frac{1}{4} 21:2=41
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