सिंपलीफिकेशन 20 - {18÷(7-2+1)}
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Answered by
4
Answer:
the answer is 17
Step-by-step explanation:
explanation is in the photo
Attachments:
Answered by
4
Answer:
17
Step-by-step explanation:
7-2+1=6
18/6=3
20-3=17
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