120-[67-{100÷150-100+(6×5)}]
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Step-by-step explanation:
120-[67-{100*(1/150)-100+30}]
120-[67-{(2/3)-100+30 }]
120-[67-{(2-300+90)/3}]
120-[67-{-208/3}]
120-[67+208/3]
120-[(201+208)/3]
120-409/3
(360-409)/3
-49/3
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