Question

$9 \div 3 + 4 \div 2 - 18 \div 3 + 8 - 4 \div - 1$
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Answer 1

9 ÷ 3 + 4 ÷ 2 - 18 ÷ 3 + 8 - 4 ÷ ( - 1 )

3 + 2 - 6 + 8 + 4

5 - 6 + 8 + 4

- 1 + 8 + 4

7 + 4

11