Question

a1820
15 - 2 =
15 - 5 =
15 - 9 =
15 - 7 =
15 - 8 =
16 - 1 =
16 - 3 =
16 - 5 =
16 - 9 =
16 - 8 =
16 - 7 =

Explanation:

1. $15 - 2 =$

Step1: Subtract 2 from 15

$15 - 2 = 13$

2. $15 - 5 =$

Step1: Subtract 5 from 15

$15 - 5 = 10$

3. $15 - 9 =$

Step1: Subtract 9 from 15

$15 - 9 = 6$

4. $15 - 7 =$

Step1: Subtract 7 from 15

$15 - 7 = 8$

5. $15 - 8 =$

Step1: Subtract 8 from 15

$15 - 8 = 7$

6. $16 - 1 =$

Step1: Subtract 1 from 16

$16 - 1 = 15$

7. $16 - 3 =$

Step1: Subtract 3 from 16

$16 - 3 = 13$

8. $16 - 5 =$

Step1: Subtract 5 from 16

$16 - 5 = 11$

9. $16 - 9 =$

Step1: Subtract 9 from 16

$16 - 9 = 7$

10. $16 - 8 =$

Step1: Subtract 8 from 16

$16 - 8 = 8$

11. $16 - 7 =$

Step1: Subtract 7 from 16

$16 - 7 = 9$

Answer:

s:
$15 - 2 = \boldsymbol{13}$
$15 - 5 = \boldsymbol{10}$
$15 - 9 = \boldsymbol{6}$
$15 - 7 = \boldsymbol{8}$
$15 - 8 = \boldsymbol{7}$
$16 - 1 = \boldsymbol{15}$
$16 - 3 = \boldsymbol{13}$
$16 - 5 = \boldsymbol{11}$
$16 - 9 = \boldsymbol{7}$
$16 - 8 = \boldsymbol{8}$
$16 - 7 = \boldsymbol{9}$