please help me
I will mark you at brainlist
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Anonymous:
100
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150 - [70 - {60 - (30 + 20)} - 10]
= 150 - [70 - {60 - (50)} - 10]
= 150 - [70 - {10} - 10]
= 150 - [70 - 10 - 10]
= 150 - [50]
= 150 - 50
= 100.
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