1. 1, 3, 5 2. Translation will not change the shape and size of the figure 3,48,204,60 ㎝? 5,56, {x+y = 40/ 10x+8y = 370 (Equation) 7, (-4, -5), (4,5), (4,5) 8, (6,0), (0,3).

Second,1-6cccccd

(2)

I.1-8abcbaadc

Second, 1, 7, √ 7, -3 2, 1 3, 1

(3)

1. 1, 25,252,-1, 0, 1 3, >; 4, (0,5) 5, minus 6, slightly 7, 3.4, 5, 3.5 8, parallel to each other 9, rectangle, diamond, square 10,70, 1 10.

Second, 1-8 bacdcbb

(4)

1. 1, √ 48, 2 2, 4√3 3, 180,124,60 or 120,105,86,2.6,

Second, 1-7abcdbc.

(5)

1. 1, AB = the line where the midpoint of AD 2, 5a 3, 38 4 and BC is located, and the line where the midpoint of AB is located.

Second, 1-5 DDAAB

(6)

1. 1,? √9, π/5, 0.5757757775 ...2, -√2 3, 120 4, 4, 3605, 4, 3, 56, 180.7, 24.5, 25, mode 7,65438.

Second, 1-6 Baacab

PS: No drawings, applications and solutions. Too much, playing very tired.