Ответы и объяснения

2012-12-10T12:14:13+00:00

а){12,24,36,48,60,72,84,96,108,120}

б){15,30,45,60,75,90,105,120,135,150}

в){22,44,66,88,110,132,154,176,198,220
г){30,60,90,120,150,180,210,240,270,300}