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Carinabolojan20
a fost răspuns

completati spatiile punctate:
a) 2\3-1\7=
b)-11\4-3\2+17\3=
c) 6\11-23\22+5\2=

Răspuns :

Spidie
a) 2\3-1\7= 14/21-3/21=11/21
b)-11\4-3\2+17\3=-33/24-36/24+136/24=67/24
c) 6\11-23\22+5\2= 12/22-23/22+55/22=44/22=2