Question

0.. Simp!
100-[20{50-(20-10)}]​

Answer 1

Answer:

$100 - (20(50 - (20 - 10))) \\ \\ \\ = > (100 - (20(50 - (10)) \\ \\ = > 100 - (20(40) \\ \\ = > 100 - 80 = 20$

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Answer 2

Answer:

100-[20{50-10)}]

100-[20{40}]

100-[20×40]

100-800

-700