Solution
$$80 \div [48- \left\{56 - (60- 36 \div 12 \times 4)\right\}]$$
First solve the small bracket with BODMAS rule.
$$80 \div [48- \left\{56 - (60- 12)\right\}]$$
Now solve the curly bracket with BODMAS rule.
$$80 \div [48- \left\{56 - 48\right\}]$$
Lastly solve the big bracket with BODMAS rule.
$$80 \div [48- \left\{8\right\}]$$
$$\frac{80}{40}$$
2
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