Because 3 / 5 times 5 / 3 equals 1, 3 / 5 and 5 / 3 are reciprocal

Because 3 / 5 times 5 / 3 equals 1, 3 / 5 and 5 / 3 are reciprocal
The results are as follows
That's right~

RELATED INFORMATIONS

1. When a is equal to, the reciprocal of a + 1 is still a + 1
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