Hanr

-29/30 x 120/29 — 2,5 x 2=- 9

x+6+x=40

x+x=-6+40

2x=36

x=18

10

4/5

x= 225: 0,25

x= 281,25

2,5

1. 181 1/3
2. 2/3
3. 1/5
4. 24 x 36 = 864 16×60= 640 864 : 640 = 27/20

5. 90

6. 1/3

7.11/15

8. 9/4

9. 12 + 150 = 162

1. a² + 4a + 4
2. 25z² +10tz + t2
3. x² + x + 1/4
4. 1/25x² + 12/5xy + 36y²
5. a⁴ b² + 2a³ b + a ²

1. (a-b)²
2. (2x-y)²
3. (3m — 1)²
4. (5-3c)²