Răspuns :
1/3*6+4/3*21/28+3intregi1/2*7intregi3/5=29,6
1/3*6+4/3*21/28+(3*2+1)/2*(7*5+3)/5=
=2+4*21/3*28+7/2*38/5=
=2+1+7/1*19/5=
=3+133/5=
=3+26,6=29,6
1/3*6+4/3*21/28+(3*2+1)/2*(7*5+3)/5=
=2+4*21/3*28+7/2*38/5=
=2+1+7/1*19/5=
=3+133/5=
=3+26,6=29,6