G.O.A.T. :)

Addition

100

100+100+200=

400

200

398+289=

687

300

1,340+6,912

8,252

400

42,897+59,315=

102212

500

1^x=3 what is x 

(This is not addition we just thought to add it so sorry about that) :(

3

Subtraction

100

5,200-2,847=

2,155

200

8,030-4,586=

3,444

300

6,001-3,924=

2,077

400

n-2,847=5,193

n=8,040

500

(10¹⁰⁰+1)-(10¹⁰⁰-1)=

2

Multiplication

100

100x20=

2000

200

2000x3

6000

300

8,765x9,876=

86563140

400

12,345x67,890=

838102050

500

123,456x789,012=

97408265472

Divison

100

200÷5=

40

200

456÷9

50R6

300

593÷9

65R8

400

33000÷7835

4.21186981493

500

4.2x110⁸÷1.5x10-3

28