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10 questions
38÷12=\frac{3}{8}\div\frac{1}{2}=83÷21= (答案必须最简分数)
56\frac{5}{6}65
45\frac{4}{5}54
34\frac{3}{4}43
15 ÷ 4 = \frac{1}{5}\ \div\ 4\ =\ 51 ÷ 4 = (答案必须最简分数)
20
120\frac{1}{20}201
1 34÷ 12\frac{3}{4}\div\ \frac{1}{2}43÷ 21 = (答案必须最简分数)
4 12\frac{1}{2}21
3 12\frac{1}{2}21
2
35 ÷ 56 =\frac{3}{5}\ \div\ \frac{5}{6}\ =53 ÷ 65 =
1825\frac{18}{25}2518
12\frac{1}{2}21
1530\frac{15}{30}3015
47÷ 89 =\frac{4}{7}\div\ \frac{8}{9}\ =74÷ 98 =
3263\frac{32}{63}6332
914\frac{9}{14}149
49\frac{4}{9}94
910 ÷911 =\frac{9}{10}\ \div\frac{9}{11}\ =109 ÷119 =
1011\frac{10}{11}1110
81110\frac{81}{110}11081
1 1101\ \frac{1}{10}1 101
6 ÷ 1 12 =6\ \div\ 1\ \frac{1}{2}\ =6 ÷ 1 21 =
4
9
1 58 ÷ 14 =1\ \frac{5}{8}\ \div\ \frac{1}{4}\ =1 85 ÷ 41 =
1 141\ \frac{1}{4}1 41
6 126\ \frac{1}{2}6 21
3 34 ÷ 5 =3\ \frac{3}{4}\ \div\ 5\ =3 43 ÷ 5 =
320\frac{3}{20}203
35\frac{3}{5}53
2 310 ÷ 15 =2\ \frac{3}{10}\ \div\ \frac{1}{5}\ =2 103 ÷ 51 =
2 3502\ \frac{3}{50}2 503
11 1211\ \frac{1}{2}11 21
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