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Събиране и изваждане на обикновени дроби

Authored by Атанаска Продромова

Mathematics

5th Grade

Used 14+ times

Събиране и изваждане на обикновени дроби
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8 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Пресметнете израза:

 12 +14\frac{1}{2}\ +\frac{1}{4}  

 43\frac{4}{3}  

 24\frac{2}{4}  

 34\frac{3}{4}  

 26\frac{2}{6}  

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Пресметнете израза

 38+15\frac{3}{8}+\frac{1}{5}  

 2120\frac{21}{20}  

 413\frac{4}{13}  

 2340\frac{23}{40}  

 4013\frac{40}{13}  

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Пресметнете израза  34+13+16\frac{3}{4}+\frac{1}{3}+\frac{1}{6}  

 45\frac{4}{5}  

 54\frac{5}{4}  

 318\frac{3}{18}  

 512\frac{5}{12}  

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 2 14 +5 1122\ \frac{1}{4}\ +5\ \frac{1}{12}  

Пресметнете израза 

 52\frac{5}{2}  

 7 137\ \frac{1}{3}  

 3 353\ \frac{3}{5}  

2

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 211 16\frac{2}{11}\ -\frac{1}{6}  

Пресметнете израза 

 166\frac{1}{66}  

 111\frac{1}{11}  

66

 211\frac{2}{11}  

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 3 121 133\ \frac{1}{2}-1\ \frac{1}{3}  Пресметнете израза  

3\ \frac{1}{2}-1\ \frac{1

 72\frac{7}{2}  

 46\frac{4}{6}  

 136\frac{13}{6}  

 23\frac{2}{3}  

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 3713\frac{3}{7}-\frac{1}{3}  

Пресметнете израза

 24\frac{2}{4}  

 411\frac{4}{11}  

 210\frac{2}{10}  

 221\frac{2}{21}  

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