Question

{(220 – 140) + [10 × 9 + ( – 2 × 5)]} – 100​

Answer 1

Answer:

{(220 - 140) + [10 * 9 + (- 2 * 5)]} - 100

= {(220 - 140) + [10 * 9 + (-10)]} - 100

= {(220 - 140) + [90 - 10]} - 100

= {(220 - 140) + 80)} - 100

= {80+80}-100

= 60         (Ans)

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Step-by-step explanation:

Answer 2

Step-by-step explanation:

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