Easy
Medium
Hard
Extreme
Impossible
100

1+9

10

100

366+220

586

100

10,234+25,483

35,717

100

4,896 divided by 12

408

100

19,292 divided by 944

20.4364

200

12+12

24

200

890-435

445

200

12,332+43,328

55,660

200

64,000 divided by 8

8,000

200

292 divided by 83

3.518

300

34+8

42

300

1,240-345

895

300

38,492+67,670

106,162

300

128 divided by 8

16

300

382 divided by 38

10.0526

400

27+19

46

400

2,395+4,476

6,871

400

59,034+99,999

159,033

400

184 divided by 4

46

400

192,282,929,022 divided by 334,234

386,803.6436

500

36+87

123

500

5,737+2,838

8,575

500

99,999+99,999

199,998

500

120 divided by 3

40

500

123,456,789 divided by 123

1,003,713.7317