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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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3 years ago
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==============================================

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The original triangle has LKJ mentioned at the top. Note the order as its important. We start with L and move to K, so LK is the first segment mentioned. LK = 18 pairs up with LQ = 9, meaning that LQ must be the first segment mentioned of the answer triangle. Therefore LQR is the correct letter sequence if we start with point L. Writing QLR is not correct because Q is the first letter here but Q does not pair up with L.

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