Răspuns:
Explicație pas cu pas:
a/5 =b/2
a+b =147
a/5+b/2 =a+b/5+ 2=147/7 =21
a/5 =21 ; a=5*21 =105
b/2 =21 ; b=2*21 =42
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Răspuns:
Explicație pas cu pas:
a/5 =b/2
a+b =147
a/5+b/2 =a+b/5+ 2=147/7 =21
a/5 =21 ; a=5*21 =105
b/2 =21 ; b=2*21 =42