ẺͺԪҤԵʵ .2 (ӹǹ 10 )
1. 5 ǡ -9 ҡѺ
-4
4
5
-5

2. -3 ǡ 12 ҡѺ
-9
-10
9
10

3. 25 ǡ 125 ҡѺ
120
130
140
150

4. -25 ǡ -20 ҡѺ
45
-45
5
-5

5. -2.5+(-15)ҡѺ
17.5
-17.5
22.5
-22.5

6. 2 ٳ -3 ҡѺ
-6
-5
6
5

7. -2.5 ٳ -2.5 ҡѺ
-6.25
6.25
-62.5
62.5

8. 5(-12) ҡѺ
40
-40
60
-60

9. -27 3 ҡѺ
9
8
-9
-8

10. -39 -1.3
3
-3
30
-30

ṹ =
ӵͺ١ͧ