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Ajutorrrrrrrrrrrrrrr d si b

Ajutorrrrrrrrrrrrrrr D Si B class=

Răspuns :

b) 8*(-1/8)-(-2/1)= (-1)+2=1
d) -(2/3) + (1/2)+ 1/6= -(4/6) + (3/6)+ (1/6)= (-4+3+1)/6= 0/6=0