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a fost răspuns

Gaseste valorile necunoscutelor m, n, p, r 136×12-3×m=1605 36÷p+324×22=7137 279×25+n×5=7010 64÷r+530×18=9548

Răspuns :

136x12-3xm=1605
1632-3xm=1605
3xm=1632-1605
3xm=27
m=27:3
m=9
36:p+324x22=7137
36:p+7128=7137
36:p=7137-7128
36:p=9
p=36:9
p=4
279x25+nx5=7010
6975+nx5=7010
nx5=7010-6975
nx5=35
n=35:5
n=7
64:r+530x18=9548
64:r+9540=9548
64:r=9548-9540
64:r=8
r=64:8
r=8

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