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What is 27- 9.9 using mental math?​

What is 27- 9.9 using mental math?​
58.9k views
4 votes
What is 27- 9.9 using mental math?​

User Pooya Saberian
by
9.2k points

2 Answers

5 votes

Answer: 17.7

Explanation:

User Jacott
by
8.7k points
0 votes

Answer:

17.1

Explanation:

Mentally, you can compute this as ...

27 -(10 -0.1) = (27 -10) +0.1 = 17.1

User Sharene
by
8.1k points
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