Easy subtraction

8-6=?

• 2

• 9

• 4

• 3

20-10=

• 3

• 10

• 7

• 16

12-_=10?

• 3

• 11

• 2

• 12

14-7=?

• 3

• 7

• 4

• 11

4-1=?

• 2

• 4

• 3

• 5

15-12

7-3=_ -2=

• 8

• 5

• 2

• 3

Answer explanation

the reason it was not just 4 is because you also had to subtract it by the 2 therefore it would be 2.