What is this number?
Addition
Subtraction
Multiplication
What comes next?
100

4 thousands, 5 hundreds, 3 tens and 4 ones

4, 534

100

254 + 21

275

100

200 - 29

171

100

6 x 10

60

100

25, 50, 75

100

200

8 thousands, 2 hundreds, 6 tens, 1 one

8, 261

200

409 + 21

430
200

315 - 20

295

200

9 x 8 

72

200

150, 175, 200

225

300

9 thousands, 8 hundreds, 5 ones

9, 805

300

455 + 31

486

300

620 - 39

581

300

8 x 8 

64

300

0.3, 0.4, 0.5, 

0.6

400

5 thousands, 3 hundreds, 9 tens

5, 390

400

273 + 41

314

400

392 - 49

343

400

4 x 12

48

400

3.6, 4.6, 5.6

6.6

500

7 thousands, 6 ones

7,006

500

795 + 51

846

500

916 - 42

874

500

9 x 5 

45

500

6.9, 7.9, 8.9, 

9.9

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