14x5=(10x5)+(4x5)=50+20=70
16x4=(10x4)+(6x4)=40+24=64
19x9=(10x9)+(9x9)=90+81=171
13x6=(10x6)+(3x6)=60+18=78
34x8=(17x8)+(17x8)=136+136=272
5x68=(5x34)+(5x34)=170+170=340
72x3=(36x3)+(36x3)=108+108=216
28x2=(14x2)+(14x2)=28+28=56
9x75=(9x10)+(9x65)=90+585=675
Sper ca te-am ajutat! Succes!