Dobriy vecer vsem,pamogite pleaseeeee

Question

Dobriy vecer vsem,pamogite pleaseeeee

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Answer 1

1)2/5*1/4=1/10=0,1
2/5*5/8=1/4=0,25
3)2/5*1=2/5
4)2/5*10=4
5)2/5*0=0
Б 1) 5/8*4/9=5/18
2)3/4*4/9=1/3
3)1*4/9=4/9
4)18*4/9=8
5)0*4/9=0