Page 185 - NUMINO Challenge_M1
P. 185
Type StudyAnswer
Key

The following shows the original expressions and their results.

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The greatest result is 39 and the smallest result is 7.

Problem solving

1 When a digital clock is reflected on the mirror, the left and right of the image is

switched.

Before it was reflected on the mirror, the time read 10:51.

2 The reflection of a clock switches the left and right of the original image.

10:20

mirror

48 NUMINO Challenge M1
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