[tex]1. efectuati \: calculele[/tex]
a)4÷8/3
b)18/7÷9
c)2/7÷5/3
[tex]2.aduceti \: la \: forma \: ireductibila[/tex]
a)18/56÷27/35
b)12/125÷9/25
c)4×2/7÷15/49


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