Question 2

Solve the following $$7 \times \left\{4+ (-2) \times (-3)\right\} = ?$$

Solution

$$7 \times \left\{4+ (-2) \times (-3)\right\} = ?$$

$$=7 \times \left\{4+ (-2) \times (-3)\right\} $$

$$=7 \times \left\{4+ (6)\right\} $$

$$=7 \times \left\{10\right\} $$

$$=70 $$

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