Question

Evaluate : a) (−27) ÷ [(−20) + (−7)] b) [(5) + (−6)] ÷ [2 ÷ (−1)] c) [(−24) ÷ 12] ÷ 2​

Answer 1

Answer:

a)

$( - 27) \div ( - 20 - 7) \\ ( - 27) \div ( - 27) \\ \\ 1$

b)

$(5 - 6) \div (2 \div ( - 1) \\ - 1 \div (2 \div ( - 1)) \\ - 1 \div - 2 \\ 0.5$

c)

$( - 2) \div 2 \\ - 1$

So these are the answers with explanations.