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三年级数学 同分母分数减法

Authored by SEK CHING TEY

Mathematics

3rd Grade

Used 91+ times

三年级数学 同分母分数减法
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5626=\frac{5}{6}-\frac{2}{6}=  

 26\frac{2}{6}  

 16\frac{1}{6}  

 12\frac{1}{2}  

 46\frac{4}{6}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7919=\frac{7}{9}-\frac{1}{9}=  

 49\frac{4}{9}  

 59\frac{5}{9}  

 23\frac{2}{3}  

 79\frac{7}{9}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1    ? =471\ \ -\ \ ?\ =\frac{4}{7}  

 27\frac{2}{7}  

 37\frac{3}{7}  

 47\frac{4}{7}  

 57\frac{5}{7}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 89   ? =39\frac{8}{9}\ -\ \ ?\ =\frac{3}{9}  

 39\frac{3}{9}  

 49\frac{4}{9}  

 29\frac{2}{9}  

 59\frac{5}{9}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一个算式是错误的?

 4414=414=14\frac{4}{4}-\frac{1}{4}=\frac{4-1}{4}=\frac{1}{4}  

 7838=738=48=12\frac{7}{8}-\frac{3}{8}=\frac{7-3}{8}=\frac{4}{8}=\frac{1}{2}  

 113=231-\frac{1}{3}=\frac{2}{3}  

 6939=639=39=13\frac{6}{9}-\frac{3}{9}=\frac{6-3}{9}=\frac{3}{9}=\frac{1}{3}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

妈妈买了一个蛋糕。哥哥吃了 310\frac{3}{10} 块蛋糕,弟弟吃了 210\frac{2}{10}  块蛋糕,还剩下几分之几块蛋糕?

 110\frac{1}{10}  

 12\frac{1}{2}  

 710\frac{7}{10}  

 810\frac{8}{10}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

十分之八减十分之二等于几分之几?

十分之三

十分之四

五分之二

五分之三

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