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Efectuati:
a)13-3x8
b)53+14:7-5x7


Răspuns :

a) 13 - 24 = -11
b) 53 + 2 - 35 = 55 - 35 = 20
a)13-3·8=13-24= -11
b) 53+14:7-5·7=53+2-56=55-56= -1