Show:
Addition
Subtraction
Before
After
Multiplication
100

Solve the math problem:

2+5= ___

7

100

Solve the math problem:

5-4=

100

Number before 5

4

100

Number after 6

7

100

2 X 5

10
200

Solve the math problem:

4+4= ___

8

200

Solve the math problem:

9-6=

200

Number before 8

7

200

Number after 11

12

200

4 X 3

12

300

Solve the math problem:

5+7=

12

300

Solve the math problem:

10-3=

300

Number before 10

9

300

Number after 21

22

300

2 X 11

22

400

Solve the math problem:

18+3=

21

400

Solve the math problem:

12-10=

400

Number before 35

34

400

Number after 77

78

400

9 X 9

81

500

Solve the math problem:

17+9=

26

500

Solve the math problem:

15-5=

500

Number before 40

39

500

Number after 109

110

500

10 X 10

100