Помогите решить задачи

Question

Помогите решить задачи

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Answer 1

1. A(2/3), B(2 2/3), C(-2 1/3), D(-1/3)

2. MK = |K-M| = |-2 3/4-3/4| = |-3 1/2| = 3 1/2
O = (K-M)/2 = 3 1/2:2 = 1 3/4

3. (3+8)/2 = 11/2 = 5 1/2
(3+8+10)/3 = 21/3 = 7

4. |m| > |n|