What is the negative reciprocal of 1 1/2?

👨🏻‍🏫 學術台數學

[匿名]

2015-09-24 10:22 pm

回答 (1)

Puzzling

2015-09-24 10:23 pm

First write it as an improper fraction:
1½ --> 3/2

Then invert it and change the sign.
3/2 --> -2/3

Answer:
-2/3

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