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Question
Simplify : `[11/8 xx ((-6)/33)] + [1/3 + (3/5 ÷ 9/20)] - [4/7 xx (-7)/5]`
Solution
`[11/8 xx ((-6)/33)] + [1/3 + (3/5 ÷ 9/20)] - [4/7 xx (-7)/5]`
= `(11 xx (-6))/(8 xx 33) + [1/3 + (3/5 xx 20/9)] - [(4 xx -7)/(7 xx 5)]`
= `-1/4 + [1/3 + 4/3] - ((-4)/5)`
= `-1/4 + 5/3 + 4/5`
= `(-15 + 100 + 48)/60`
= `133/60`
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