1) Add by counting ones a) 99 b) 95 c) 59 2) Add by counting ones a) 98 b) 107 c) 89 3) Add by counting 10s a) 48 b) 58 c) 08 4) Add by counting 10s a) 56 b) 66 c) 83 5) Add by counting 10s a) 72 b) 92 c) 79 6) Add using standard algorithm a) 88 b) 12 c) 76 7) Add using standard algorithm a) 65 b) 85 c) 88 8) Add by counting 10s a) 379 b) 389 c) 370 9) Add by counting 100s a) 629 b) 639 c) 728

C1 L2 Adding wthout Regrouping

Печат
За вграждане

Табло

Визуален стил

Опции

Шаблон за превключване

Възстановяване на авто-записаната: ?