Directed Numbers

Hong Kong

Stage 1 - Stage 3

Is the following number an integer?

$+19$+19

No

A

Yes

B

Easy

Less than a minute

Is the following number an integer?

$-7$−7

Is the following number an integer?

$\frac{5}{8}$58

Is the following number an integer?

$\frac{5}{3}$53

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