Question

a187b
(12) $14 - 3 =$
(13) $14 - 4 =$
(14) $14 - 8 =$
(15) $14 - 6 =$
(16) $14 - 7 =$
(17) $15 - 2 =$
(18) $15 - 3 =$
(19) $15 - 6 =$
(20) $15 - 7 =$
(21) $15 - 4 =$
(22) $15 - 8 =$

Explanation:

(12)

Step1: Subtract 3 from 14

$14 - 3 = 11$

Step1: Subtract 4 from 14

$14 - 4 = 10$

Step1: Subtract 8 from 14

$14 - 8 = 6$

Answer:

11

(13)