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A/b=3/5 si 3a+2b=133,aflati a si b.

Va implor rapid va rogggggggggggggggggggg


Răspuns :

a/b=3/5 => 5a=3b
3a+2b=133 | •3
9a+6b=399
3b=5a => 6b=10a
9a+10a=399
19a=399
a=21
5a=3b
5•21=3b
105=3b | :3
b=35