Question

100-[90-{180-(70-60+50×2)}]​

Answer 1

Step-by-step explanation:

50*2=100

100+60=160

160-70=90

180-90=90

90-90=0

100-0=100

Answer 2

$100 - (90 - (180 - (70 - 60 + 50 \times 2))) \\ 100 - (90 - (180 - (10 + 100))) \\ 100 - (90 - (180 - 110))) \\ 100 - (90 - 70) \\ 100 - 20 \\ 80$

hope it's the correct answer