Răspuns:
99=2a+2a+2+33
99=4a+35
4a=99-35=64
a=64:4=16
b+b+1+b+2=33
3b+3=33
3b=30. b=10
numărul este:16×2+16×2+2+10+11+12=
32+34+10+11+12=99
metoda grafică:
l_2a_l_2a_l2l_33_l=99
99=4a+2+33=>99-35=4a
64=4a
a=16
l__b__l__b__l1 l__b__l_2l=33
3b+3=33
b=30:3=10
numerele sunt:32;34;10;11;12
