Question

a) \(\xrightarrow[3]{-1}+\xrightarrow[1]{2}-\xrightarrow[5]{6}\)

b) \(\xrightarrow[-9]{4}+\xrightarrow[15]{6}+\xrightarrow[9]{-5}-\xrightarrow[11]{2}+\xrightarrow[15]{7}\)

c) \(\xrightarrow[11]{7}-\left(\xrightarrow[5]{3}+\xrightarrow[11]{7}\right)\)

d) \(\xrightarrow[6]{-5}+\xrightarrow[-3]{8}-\xrightarrow[6]{29}\)

e)\(\left(\xrightarrow[22]{11}+\xrightarrow[11]{5}\right)-\xrightarrow[22]{19}\)

g) \(2-\xrightarrow[2]{1}-\xrightarrow[2]{5}\)

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Answer 1

a)\(\dfrac{-1}{3}+\dfrac{2}{1}-\dfrac{6}{5}=\dfrac{-5}{15}+\dfrac{30}{15}-\dfrac{18}{15}=\dfrac{7}{15}\)

dai dong qua(de)

Answer 2

may deo la cai gi ca

Answer 3

c