Share การลบ (บวก-ลบ) (บวก-บวก)
Save to Folder
10-3
7
45-15
30
200-50
150
1,000-750
250
60-60
0
5-(-2)
7
40-(-10)
50
100-(-25)
125
300-(-300)
600
0-(-5)
5
-5-3
-8
-20-10
-30
-100-50
-150
-1,000-500
-1,500
-10-0
-10
-8-(-3)
-5
