Question

28 + 11 =

7 + 12 =
15 + 2 =
22 + 1 =
45 + 2 =
18 + 2 =
7 + 11 =
10 + 11 =
12 + 10 =
11 + 2 =
15 + 10 =
16 + 12 =
2 + 24 =
62 + 10 =
98 + 2 =
12 + 3 =
18 + 12 =
2 + 17 =
14 + 11 =
2 + 40 =
Vertical Addition 1 + 1 = 2

Answer 1

Step-by-step explanation:

28 + 11 = 39

7 + 12 = 17

15 + 2 = 17

22 + 1 = 23

45 + 2 = 47

18 + 2 = 20

7 + 11 = 18

10 + 11 = 21

12 + 10 = 22

11 + 2 = 13

15 + 10 = 25

16 + 12 = 28

2 + 24 = 26

62 + 10 = 72

98 + 2 = 100

12 + 3 = 15

18 + 12 = 30

2 + 17 = 19

14 + 11 = 25

2 + 40 = 42