Răspunsuri

2014-10-22T14:49:08+03:00
Cel mai inteligent răspuns!
2014-10-22T14:52:00+03:00
D=144:(95-83)
d=144:12
d=12
ax12+bx12-cx12=12a+12b-12c=12(a+b+c)=12x48=576
axb+bxd-cxd=576