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rezolva a×9+(948:4-545:5): 4+179×3=2×451

Răspuns :

a×9+(948:4-545:5):4+179×3=2×451
a×9+(237-109):4+537=902
a×9+128:4+537=902
a×9+32+537=902
a×9+569=902
a×9=902-569
a×9=333
a=333:9
a=37
a*9+(237-109):4+537=902
a*9+128:4=902-537
a*9+32=365
a*9=365-32
a*9=333
a=333:9
a=37