Помогите с номером 912

Question

Помогите с номером 912

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Answer 1

0.03=3/100
0.3=3/10
6.4=6 4/10=6 2/5
6.04=6 4/100=6 1/25
13.86=13 86/100=13 43/50
13.860=13 43/50
73.03=73 3/100
73.003=73 3/1000
0.0004=4/10000=1/2500
0.4004=4004/10000=2002/5000=1001/2500