Notice how 2*1/2=1, 3*1/3=1, and 4*1/4=1.
Therefore, 1*1*1=1.
Also, notice how 2 and 1/2 are reciprocals, 3 and 1/3 are reciprocals, and 4 and 1/4 are also reciprocals.
Answer:
1
Explanation:
2 times 1/2 is 1
1 times 3 is 3
3 times 1/3 is 1
1 times 4 is 4
4 times 1/4 is 1
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