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Countdown exercise in junior one mathematics.
According to the definition of absolute value, |-2 | = 2, |- 1 | = 1, |-3 | = 3.

1. Positive number is greater than negative number, and the absolute value of negative number is small, so:

-3 & lt; ﹣ 1<; |-2|

2. The reciprocal of-1is1; |-2 | = 2, and its reciprocal is-2; The reciprocal of -3 is 3.

3.|- 1 | & lt; |-2 | & lt; |-3|

In addition:

-|-2.5 | & lt; -1 and 1/3