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1. 275+x+563= 563+2745
2. 9.465-x+396= 357+584
ajutatima va rog


Răspuns :

275+x+563=563+2745
838+x=3308
x=3308-838
x=2470

2):9465-x+396=357+584
9861-x=941
9861-941=x
x=8920