a) \(\dfrac{32}{12}=\dfrac{4.8}{4.3}=\dfrac{8}{3}\)
b) \(\dfrac{-26}{156}=\dfrac{-26}{26.6}=\dfrac{-1}{6}\)
c) \(\dfrac{4.7}{9.32}=\dfrac{4.7}{9.4.8}=\dfrac{7}{9.8}=\dfrac{7}{72}\)
d) \(\dfrac{2.5.13}{26.35}\dfrac{2.5.13}{2.13.5.7}=\dfrac{1}{7}\)
e)\(\dfrac{7.6-9.13}{18}=\dfrac{42-117}{18}=\dfrac{-75}{18}=\dfrac{-25.3}{6.3}=\dfrac{-25}{6}\)
f) \(\dfrac{17.5-17}{3-20}=\dfrac{17.\left(5-1\right)}{-17}=-4\)
g) \(\dfrac{49+7.49}{49}=\dfrac{49.\left(1+7\right)}{49}=8\)
a, \(\dfrac{32}{12}=\dfrac{8}{3}\)
b, \(\dfrac{-26}{156}=\dfrac{-1}{6}\)
c, \(\dfrac{4.7}{9.32}=\dfrac{4.7}{9.4.8}=\dfrac{7}{72}\)
d,\(\dfrac{2.5.13}{26.35}=\dfrac{2.5.13}{2.13.7.5}=\dfrac{1}{7}\)
e,\(\dfrac{7.6-9.13}{18}=\dfrac{3\left(7.2-3.13\right)}{18}=\dfrac{-25}{6}\)
f ,\(\dfrac{17.5-17}{3-20}=\dfrac{17\left(5-1\right)}{-17}=-4\)
g,\(\dfrac{49+7.49}{49}=\dfrac{49\left(1+7\right)}{49}=8\)
a, \(\dfrac{32}{12}\) = \(\dfrac{8}{3}\)
b. \(\dfrac{-26}{156}\) = \(\dfrac{-1}{6}\)
c, \(\dfrac{4.7}{9.32}\) = \(\dfrac{7}{72}\)
d, \(\dfrac{2.5.13}{25.36}\) = \(\dfrac{936}{5}\)
e, \(\dfrac{7.6-9.13}{18}\) = \(\dfrac{-25}{6}\)
f, \(\dfrac{17.5-17}{3-20}\) = -4
g, \(\dfrac{49+7.49}{49}\) = 8
a, \(\dfrac{32}{12}\) = \(\dfrac{12:4}{32:4}\) = \(\dfrac{8}{3}\)
b, \(\dfrac{-26}{156}\) = \(\dfrac{-26:26}{156:26}\) = \(\dfrac{-1}{6}\)
c, \(\dfrac{4.7}{9.32}\) = \(\dfrac{2.2.7}{9.2.2.2.2.2}\) = \(\dfrac{7}{9.2.2.2}\) = \(\dfrac{7}{72}\)
d, \(\dfrac{2.5.13}{26.35}\) = \(\dfrac{2.5.13}{2.13.5.7}\) = \(\dfrac{1}{7}\)
e, \(\dfrac{7.6-9.13}{18}\) = \(\dfrac{9.6-3}{18}\) = \(\dfrac{9.3}{18}\) = \(\dfrac{9.3}{9.2}\) = \(\dfrac{3}{2}\)
f, \(\dfrac{17.5-17}{3-20}\) = \(\dfrac{17.5-17.1}{2+\left(-20\right)}\) = \(\dfrac{17.5-1}{-18}\) = \(\dfrac{17.4}{-18}\) = \(\dfrac{17.4}{-2.9}\) = \(\dfrac{17.2.2}{-2.9}\) = \(\dfrac{34}{-9}\)
g, \(\dfrac{49+7.49}{49}\) = \(\dfrac{49+7.49.1}{49}\) = \(\dfrac{49.7+1}{49}\) = \(\dfrac{8}{1}\) = 8
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