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Pattern
50

2+7

9

50

6-4

2

50

Is this a pattern 

🔴⚫️🔵🔴⚫️🔵🔴

No

100

14+60

74

100

9-5

4

100

Is this a pattern 

🔳🔲🔳🔲

Yes

200

45+15

60

200

75-15=

60

200

Is this a pattern 

ABC ABC

Yes

400

2+18

20

400

25-10

15
400

Is this a pattern 

🔚🔝🔚🔝🔚🔝🔜

No