Very easy
easy
Medium
Hard
Very hard
100

1+8=?

9

100

7+6=?

13

100

1x4=?

4

100

9x8=?

72

100

0x9=?

0

200

8+9=?

17

200

30+40=?

70

200

4x3=?

12

200

7x6=?

42

200

9x9=?

81

300

10+3=

13

300

40+5=?

45

300

3x3=?

9

300

6x5=?

30

300

10x6=?

60

400

4+8=?

12

400

6-3=?

3

400

5x4=?

20

400

7x3=?

21

400

9x4=?

36

500

0+8=?

8

500

50+50=?

100

500

3x2=?

6

500

8x7=?

56

500

9x6=?

54

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