Bài 2: Tính
e, \(\dfrac{3}{11}\) . ( 2\(\dfrac{2}{3}\) - 1,75 )
f, ( \(\dfrac{3}{4}\) + 0,5 ) : (\(\dfrac{4}{5}\) - 0,6)
Bài 3:Tìm x
a, x - \(\dfrac{17}{36}\) = \(\dfrac{-15}{16}\) . \(\dfrac{4}{27}\)
b, \(\dfrac{4}{15}\) - x = \(\dfrac{-9}{12}\) . \(\dfrac{-4}{3}\)
c, | x - 2 | = \(\dfrac{-9}{12}\) . \(\dfrac{-4}{3}\)
d, x - \(\dfrac{3^2}{25}\) = (\(\dfrac{-4}{5}\))^2
Bài 4: Tìm x
a, (x + 1,5) : 3\(\dfrac{1}{5}\) = \(\dfrac{-5}{8}\)
b, (8\(\dfrac{4}{5}\) x - 50) : 0,4 = 51
c, ( x + \(\dfrac{5}{6}\) ) . 2 \(\dfrac{2}{5}\) - 1\(\dfrac{1}{4}\) = 35%
d, | x - 1 | - \(\dfrac{12}{16}\) = 25%