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Question 1
Correct the following equation by inter-changing two signs. $ 3 - 9\times 27 + 9 \div 3 = 3 $
A.
$+\ \text{and}\ -$
B.
$\times\ \text{and}\ +$
C.
$\times\ \text{and}\ \div$
D.
$\times\ \text{and}\ -$
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