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Calculeaza b=3×(300 -55×5)×2+3-(14:7-5×0)=

Răspuns :

b=3 x ( 300 - 275 ) x 2 + 3 - ( 2 - 0 )=
 
=6 x 25 + 3 - 2 = 150 + 1 = 151