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Обикновени дроби

Authored by Деси Александрова

Mathematics

5th Grade

Used 116+ times

Обикновени дроби
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12 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Частното

 37:27\frac{3}{7}:\frac{2}{7}  е:

 1121\frac{1}{2}  

 649\frac{6}{49}  

 67\frac{6}{7}  

 23\frac{2}{3}  

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Стойността на израза

 62323:26\frac{2}{3}-\frac{2}{3}:2  е:

 33  

 5235\frac{2}{3}  

 6136\frac{1}{3}  

 3233\frac{2}{3}  

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Стойността на израза 

 (6:23+5).37\left(6:\frac{2}{3}+5\right).\frac{3}{7}  е:

 3673\frac{6}{7}  

 66  

 1835\frac{18}{35}  

 44  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Стойността на израза  12:2514:2\frac{1}{2}:2-\frac{5}{14}:2   е:


 17\frac{1}{7}  

 27\frac{2}{7}  

 314\frac{3}{14}  

 114\frac{1}{14}  

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Ако (x315) . 223=8\left(x-3\frac{1}{5}\right)\ .\ 2\frac{2}{3}=8  ,то x е: 


 6156\frac{1}{5}  

 3563\frac{5}{6}  

 38153\frac{8}{15}  

 5165\frac{1}{6}  

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Намислих едно число. Увеличих го 3 пъти и получих произведението на числата 57\frac{5}{7}   и  2125\frac{21}{25}  . Намисленото число е :


 29\frac{2}{9}  

 1451\frac{4}{5}  

 35\frac{3}{5}  

  15\frac{1}{5}  

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Произведението на числата  45\frac{4}{5}  и  1516\frac{15}{16}  увеличих с частното на числата  715\frac{7}{15}  и  1161\frac{1}{6}  . Кое число получихте?


 14\frac{1}{4}  

 25\frac{2}{5}  

 1320\frac{13}{20}  

 13201\frac{3}{20}  

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