Răspuns :

Alexstrugariuid

Răspuns:

14. xy-xz= x(y-z) =10•29=290

b)2xy-2xz=2x(y-z) =2•10•29=2•290=580

c)5xy-5xz=5x(y-z)=5•10•29=50•29=1450

d)3xy-3xz=3x(y-z)=3•10•29=30•29=870

e)7xy-7xz=7x(y-z)=7•10•29=70•29=2030

f)10xy-10xz=10x(y-z) =10•10•29=100•29=2900

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