Răspunsuri

2014-10-11T09:57:45+03:00
A = 11, b + c = 8
ab + ac = 
a ( b + c ) = 
11 * 8 = 88

10a + 9b + 9c =
10 * 11 + 9 ( b + c ) =
110 + 9 * 8 = 
110 + 72 = 182
2014-10-11T09:57:45+03:00
Ab+ac=a(b+c)=11*8=88
10a+9b+9c=10a+9(b+c)=10*11+9*8=110+72=182