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Pandapro90
a fost răspuns

ajutati-ma pls a)8000-2500-x=1500 b)3640+1917+y=7872

Răspuns :

a)5500-x=1500=>x=4000

B)5557+y=7872=>y=2315

a) 5500-x=1500
x= 5500-1500
x= 4000


b) 5557+y=7872
y=7872-5557
y = 2315