Which two signs should be interchanged in the following equation to make it correct?
$$12 - 6 \div 12 \times 6 + 6 = 9$$
Given that,
$$12 - 6 \div 12 \times 6 + 6 = 9$$
So, here we have to interchange $$+$$ to $$-$$
Hence,
$$\Rightarrow 12+6 \div 12 \times 6-6 $$
$$\Rightarrow 12+\dfrac{6}{12} \times 6-6$$
$$\Rightarrow 12+\dfrac{1}{2} \times 6-6$$
$$\Rightarrow 12+3-6=9$$
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