easy
medium
hard
insane
imposible
100

1+1=?

2

100

3x4=?

12

100

6x(7+1)=?

48

100

1000x1000=?

1 million

100

1,000,000x1,000,000=?

1e+12

200

2+2=?

4

200

6x7=?

42

200

500x2=?

1000

200

200x2=?

400

200

12x4,000,000=?

48 million

300

6+6=?

12

300

10x10=?

10

300

80x8=?

640

300

What's the square root of -1?

i

300

What's the number for e?

2.71828182846

400

24+24+?

48

400

8x8=?

64

400

1000x1=?

1000

400

6 x 10 = I. What is the number for I?

60

400

4,000,000x4,000,000=?

1.6e+13

500

100+100+?

200

500

300x2=?

600

500

1000x2

2000

500

1000x10=?

10000

500

1/0=?

Infinity