Question

Tính một cách hợp lý:

\(A=\frac{\frac{5}{22}+\frac{3}{13}-\frac{1}{2}}{\frac{4}{13}-\frac{2}{11}+\frac{3}{2}}\)

Answer 1

A=-4/155

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Answer 2

\(A=\frac{\frac{5}{22}+\frac{3}{13}-\frac{1}{2}}{\frac{4}{13}-\frac{2}{11}+\frac{3}{2}}\)

A=\(\left(\frac{\frac{5}{22}+\frac{3}{13}-\frac{1}{2}}{\frac{4}{13}-\frac{2}{11}+\frac{3}{2}}\right)\)x\(\frac{\left(2.11.13\right)}{\left(2.11.13\right)}\)

A=\(\frac{65+66-143}{88-52+429}\)

A=\(\frac{-12}{465}=\frac{-4}{155}\)