Super easy
Easy
Medium
Hard
Really hard
50

1+1

2

50

20+20

40

50

8*8

64

50

8+82

72

50

662

4356

100

10-5

5

100

80-40

40

100

12*10

120

100

53

125

100

882

7744

200

8-8

0

200

88-22

66

200

60/2

30

200

36

729

200

882+662

12100

400

2-0

2

400

100-10

90

400

88/4

22

400

6+6+64

1308

400

44*882+65

340801

800

10+10

20

800

200-67

133

800

81/9

9

800

666

82653950016

800

(443+66)/2

42625