Răspunsuri

2014-10-14T22:44:59+03:00
(a+c)*2+(a+b)*3= 2a+2c+3a+3b=5a +2c+3b
11*2+33*3=22+99=121
1 3 1
2014-10-14T22:45:36+03:00
3a + 2a + 3b + 2c = 3(a + b) + 2(a + c) =
3 * 33 + 2 * 11=
99 + 22 = 121