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
Key
The following shows the original expressions and their results.
=
=
=
=
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