addition
subtraction
division
multiplication
mystery
100

60+400

460

100

900-100

800

100

20/4

5

100

11*5

55

100

123-40

83

200

950+80

1030

200

680-260

420

200

600/25

24

200

320*3

960

200

50*62

3100

300

645+692

1337

300

660-632

28

300

55/5

11

300

452*5

2260

300

400+620

1020

400

8751+900

9651

400

456322-32456

423866

400

550/10

55

400

336*3

1008

400

900/5

180

500

1453+967

2420

500

4890023-124456

4765567

500

987/3

329

500

8526*60

511560

500

865/2

428

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