Positive
Easy
Medium
Hard
Random
100

25

32

100

7-2

1/72

100

2(3)-3

2/(3)3

100

6/7-3

6(7)3

100

1 + 52 + 4

30

200

53

125

200

6-6

1/66

200

6(7)-4

6/74

200

5-3/8

1/8(5)3

200

33- 7 - 42

4

300

(-5)2

25

300

-3-3

-1/33

300

-8(-9)-2

-8/(-9)2

300

7-3/5-4

54/73

300

The Sqaure Root of 169

13

400

-23

-8

400

(-9)-5

1/(-9)5

400

-2(-2)-2

-2/(-2)2

400

(-3)-2/(6)-5

65/(-3)2
400

The Square Root of 361

19

500

-52

-25

500

(-8)-2

1/82

500

8(7)-3

8/73

500

(-15)-3/7-2

72/(-15)3

500

 2(2)-4 

1/8

M
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n
u