a,\(\dfrac{-5}{9}\)+\(\dfrac{5}{9}\):(1\(\dfrac{2}{3}\)-2\(\dfrac{1}{12}\))
b,\(\dfrac{-7}{25}\).\(\dfrac{11}{13}\)+\(\dfrac{-7}{25}\).\(\dfrac{2}{13}\)-\(\dfrac{18}{25}\)
c,(\(\dfrac{5}{7}\).0,6-5:3\(\dfrac{1}{2}\)).(40%-1,4).\(\left(-2\right)^3\)
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Toán lớp 6
