From the given alternatives select the numbers that must be interchanged to make the following equation correct.
$$16 - 6 + 12 \times 3 \div 4 = 18$$
$$16 - 4 + 12 \times \frac {3}{6}$$
Use Bodmas rule which is simple to use -
It will help you to increase your speed with accuracy.
16 - 4 + 6
22 - 4
18
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