Помогите плииз!!!1384!!!

Question

Помогите плииз!!!1384!!!

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Answer 1

Лови решение^______^

Answer 2

9/20=9:20=0,45
7/40=7:40=0,175
11/400=11:400=0,0275
21/168=1/8=1:8=0,125
35/280=1/8=1:8=0,125
47/376=1/8=1:8=0,125
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