Question

ex 1 si 2, cat de explicit puteti

Answer 1

1)
(-24):(+6)-(-15)*2=-6-(-30)=-6+30=24
2)
{m(A),m(B), m(C)} dp {4,6,8}
m(A)=4k
m(B)=6k
m(C)=8k
m(A)+m(B)+m(C)=180°
4k+6k+8k=180°
18k=180°
k=10°
m(A)=4*10°=40°
m(B)=6*10°=60°
m(C)=8*10°=80°
Cel mai mare unghi are masura 80°.