ADDITION / PHÉP CỘNG

A

100

5 + 2

5 + 2 = 7

200

13 + 2

13 + 2 = 15

300

17 - 3

17 - 3 = 14

400

14 + 1

14 + 1 = 15

500

10 + 5

10 + 5 = 15

B

100

3 + 7

3 + 7 = 10

200

10 + 5

10 + 5 = 15

300

15 - 2

15 - 2 = 13

400

18 - 6

18 - 6 = 12

500

10 + 6

10 + 6 = 16

C

100

7 + 2

7 + 2 = 9

200

14 + 3

14 + 3 = 17

300

18 + 0

18 + 0 = 18

400

1 + 12

1 + 12 = 13

500

20 + 0

20 + 0 = 20

D

100

4 + 4

4 + 4 = 8

200

12 + 5

12 + 5 = 17

300

15 - 1

15 - 1 = 14

400

17 + 2

17 + 2 = 19

500

10 + 8

10 + 8 = 18

E

100

8 + 1

8 + 1 = 9

200

14 + 4

14 + 4 = 18

300

16 + 3

16 + 3 = 19

400

16 - 1

16 - 1 = 15

500

10 + 7

10 + 7 = 17