Запишите частное в виде дроби и упростите её(если это возможно):
21:10,14:6,15:9,40:5.
21
_ = 2.1
10
14 7
_ = _
6 3
15 5
9 3
40:5=8
21/10
14/6 = 7/3
15/9 = 5/3
40/5 = 8
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21
_ = 2.1
10
14 7
_ = _
6 3
15 5
_ = _
9 3
40:5=8
21/10
14/6 = 7/3
15/9 = 5/3
40/5 = 8