Math, asked by iamcuteyiamnicey, 5 months ago

answer for this question with trick

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Answered by Sreenima10

0

11 is the answer..

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Answered by JaiminDave0806

0

Answer:

21

Step-by-step explanation:

15+8=23-1=22

7+12=19-1=18

13+9=22-1=21

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