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My name is Ann [436]
3 years ago
14

Daca a+b=82 si a:b=9,r2  afla a si b

Mathematics
2 answers:
MArishka [77]3 years ago
7 0
A+b=82
a:b=9,r=2
a=b*9+2
9b+2+b=82
10b=80
b=8
a=8*9+2=72+2=74
Sper ca asta sa te ajute! :)
Avand in vedere ca aceasta este varianta pentru americani intrebarea ta ar trebui stearsa, pentru varianta in limba romana poti intra pe brainly.ro.Succes! ^^
Pavel [41]3 years ago
4 0
a+b=82 \\ a:b=9 \ rest \ 2 \to \boxed{a=9b+2}\\ ---------------\\ 9b+2+b=82 \\ 10b+2=82 \\ 10b=82-2 \\ 10b = 80 \\ \boxed{b= 8} \\ \\ a=9b+2 \\ a=9 \cdot 8 +2 \\ a=72+2 \\ \boxed{a=74}

In a doua relatie aplici teorema impartirii cu rest si inlocuiesti in prima . 
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