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[3:(0,2-0,1)]:[2,5•(0,8+1,2)]

Răspuns :

CosmoteRo
3:(0,2-0,1)=3:0,1=30
2,5x(0,8+1,2)=2,5x2=5

30:5=6
[3:(0,2-0,1)]:[2,5*(0,8+1,2)]=
=(3:0,1):(2,5*2)=
=(30:1):5=
=30:5=6

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