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3 years ago

8

What is th vaule of n 927plus 231-28=n

2 answers:

Dennis_Churaev [7]3 years ago

8 0

243 + 62 - 28 = n
n = 305 - 28
n = 277

liberstina [14]3 years ago

3 0

9 × 27 + 2 × 31 - 28 = n
9 × 27 + 2 × 31 - 28 =
243 + 2 × 31 - 28 =
243 + 62 - 28 =
305 - 28 =
<span>277

n = 277</span>

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