Question

1 + 1

2 + 2

3 + 3 

4 + 4

5 + 5 

6 + 6

7 + 7

8 + 8 

9 + 9

10 + 10

thế lm đi 

Answer 1

1 + 1=2

2 + 2=4

3 + 3 =6

4 + 4=8

5 + 5 =10

6 + 6=12

7 + 7=14

8 + 8 =16

9 + 9=18

10 + 10=20

Answer 2

2-4-6-8-10-12-14-16-18-20

Answer 3

1 + 1 = 2

2 + 2 = 4

3 + 3 = 6

4 + 4 = 8

5 + 5 =10

6 + 6 = 12

7 + 7 = 14

8 + 8 = 16

9 + 9 = 18

10 + 10 = 20

Answer 4

2

4

6

8

10

12

14

16

18

20

Answer 5

1 + 1=2

2 + 2=4

3 + 3 =6

4 + 4=8

5 + 5 =10

6 + 6=12

7 + 7=14

8 + 8 =16

9 + 9=18

10 + 10=20