20
根据分数的基本性质填空
$\frac{36}{72}=\frac{12}{(\ \ \ \ \ )}=\frac{1}{(\ \ \ \ \ )}$
$\frac{30}{90}=\frac{(\ \ \ \ \ )}{18}=\frac{1}{(\ \ \ \ \ )}$
$\frac{12}{24}=\frac{(\ \ \ \ \ )}{12}=\frac{(\ \ \ \ \ )}{6}$
$\frac{36}{42}=\frac{(\ \ \ \ \ )}{21}=\frac{6}{(\ \ \ \ \ )}$
$\frac{36}{48}=\frac{(\ \ \ \ \ )}{8}=\frac{(\ \ \ \ \ )}{4}$
$\frac{24}{64}=\frac{(\ \ \ \ \ )}{32}=\frac{3}{(\ \ \ \ \ )}$
$\frac{18}{30}=\frac{(\ \ \ \ \ )}{15}=\frac{3}{(\ \ \ \ \ )}$
$\frac{50}{100}=\frac{(\ \ \ \ \ )}{10}=\frac{1}{(\ \ \ \ \ )}$
$\frac{3}{5}=\frac{(\ \ \ \ \ )}{10}=\frac{27}{(\ \ \ \ \ )}$
$\frac{3}{8}=\frac{(\ \ \ \ \ )}{56}=\frac{33}{(\ \ \ \ \ )}$
根据分数的基本性质填空
$\frac{36}{72}=\frac{12}{(\ \ \ \ \ )}=\frac{1}{(\ \ \ \ \ )}$
$\frac{30}{90}=\frac{(\ \ \ \ \ )}{18}=\frac{1}{(\ \ \ \ \ )}$
$\frac{12}{24}=\frac{(\ \ \ \ \ )}{12}=\frac{(\ \ \ \ \ )}{6}$
$\frac{36}{42}=\frac{(\ \ \ \ \ )}{21}=\frac{6}{(\ \ \ \ \ )}$
$\frac{36}{48}=\frac{(\ \ \ \ \ )}{8}=\frac{(\ \ \ \ \ )}{4}$
$\frac{24}{64}=\frac{(\ \ \ \ \ )}{32}=\frac{3}{(\ \ \ \ \ )}$
$\frac{18}{30}=\frac{(\ \ \ \ \ )}{15}=\frac{3}{(\ \ \ \ \ )}$
$\frac{50}{100}=\frac{(\ \ \ \ \ )}{10}=\frac{1}{(\ \ \ \ \ )}$
$\frac{3}{5}=\frac{(\ \ \ \ \ )}{10}=\frac{27}{(\ \ \ \ \ )}$
$\frac{3}{8}=\frac{(\ \ \ \ \ )}{56}=\frac{33}{(\ \ \ \ \ )}$
答案:
连线
$\frac{1}{4}$ 0.625
$\frac{5}{2}$ 0.25
$\frac{5}{8}$ 2.5
$\frac{3}{8}$ 1.4
$\frac{7}{5}$ 0.45
$\frac{7}{20}$ 0.35
$\frac{8}{5}$ 0.375
$\frac{1}{2}$ 0.5
$\frac{3}{8}$ 1.6

$\frac{1}{4}$ 0.625
$\frac{5}{2}$ 0.25
$\frac{5}{8}$ 2.5
$\frac{3}{8}$ 1.4
$\frac{7}{5}$ 0.45
$\frac{7}{20}$ 0.35
$\frac{8}{5}$ 0.375
$\frac{1}{2}$ 0.5
$\frac{3}{8}$ 1.6
答案:
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