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2. Afla numerele necunoscute:
a + 1 564 6254
2763 +b=9002
c-2832=1655
8095-d-3874
ex3=27
8xf=56
6:2=8
h:2= 20
33:3+ m = 31 x 4
n-302 x 4 = 15 x 15
8x5-0= 75.5
p+48:2 = 142 x 2​