Question

using of DMAS 42-21/7
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Answer 1

Answer:

42-(21/7)

42-3

39 is the correct answer using BODMAS rule.

Step-by-step explanation:

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Answer 2

$\: \: \: \: \: \: \: \: \: \: \: = 42 - \frac{21}{7} \\ \: \: \: \: \: \: \: \: = 42 - 3 \\ = 39$