+7 OA –5 0 –4 O B +2 0 –2–5 O C 0 A : 0 + 7 – 5 = 2; B : 0 + 2 – 4 = –2; A : 0 + 7 – 5 = 2; 170. - презентация

1 +7 OA –5 0 –4 O B +2 0 –2–5 O C 0 A : – 5 = 2; B : – 4 = –2; A : – 5 = 2; 170

2 D O 0 D : = 14; +18 –6 OЕ 0 Е : – 6 = 12; –10 +3 O F 0 F : – 10 = – 7;

3 M –8–5 O 0 M : 0 – 5 – 8 = –13; –12 +5 O N 0 N : 0 – = –7; +17 –6 OK 0 K : 0 – = +11;