Question 9

Which two signs should be interchanged to make the following equation correct?
$$12 + 18 \times 24 \div 6 - 3 = 19$$

Solution

Original Statement $$12 + 18 \times 24 \div 6 - 3 = 19$$

Let's interchange symbols $$ \div and + $$

$$12 \div 18 \times 24 + 6 - 3 = 19$$

$$4 \div 6 \times 24 + 6 - 3 = 19$$

$$4 \times 4 + 6 - 3 = 19$$

$$4 \times 4 + 3 = 19$$

$$16 + 3 = 19$$

$$19 = 19$$

Hence Option B is correct Answer.

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Which two signs should be interchanged to make the following equation correct?$$12 + 18 \times 24 \div 6 - 3 = 19$$