построить кординатный рисунок
1) (2; - 3), (2; - 2), (4; - 2),
(4; - 1), (3; 1), (2; 1), (1; 2),
(0; 0), (- 3; 2), (- 4; 5), (0; 8),
(2; 7), (6; 7), (8; 8), (10; 6),
(10; 2), (7; 0), (6; 2), (6; - 2),
(5; - 3), (2; - 3).
2) (4; - 3), (4; - 5), (3; - 9),
(0; - 8), (1; - 5), (1; - 4),
(0; - 4), (0; - 9), (- 3; - 9),
(- 3; - 3), (- 7; - 3), (- 7; - 7),
(- 8; - 7), (- 8; - 8), (- 11; - 8),
(- 10; - 4), (- 11; - 1), (- 14; - 3),
(- 12; - 1), (- 11;2), (- 8;4),
(- 4;5).
3) Глаза: (2; 4), (6; 4).
О тв е т:
По ш о в ое о бъ я сн е н и е :
2 1/6 + 2 5/12 = (2 + 2) + (2/12 + 5/12) = 4 7/12
9 3/8 + 7 5/6 = (9 + 7) + (9/24 + 20/24) = 16 + 29/24 = 17 5/24
5 1/10 + 8 3/8 = (5 + 8) + (4/40 + 15/40) = 13 19/40
6 2/15 + 42 18/25 = (6 + 42) + (10/75 + 54/75) = 48 64/75
5 3/18 + 18 1/27 = (5 + 18) + (9/54 + 2/54) = 23 11/54
9 3/20 + 7 4/15 = (9 + 7) + (9/60 + 16/60) = 16 25/60 = 16 5/12
2 19/44 + 5 52/66 = (2 + 5) + (57/132 + 104/132) = 7 161/132 = 8 29/132
38 21/26 + 14 34/39 = (38 + 14) + (63/78 + 68/78) = 52 131/68 = 53 63/68
6 11/12 + 3 15/16 = (6 + 3) + (44/48 + 45/48) = 9 89/48 = 10 41/48