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Упражнение по математика

Authored by Миглена Стоилова

Mathematics

5th - 6th Grade

Used 11+ times

Упражнение по математика
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

На колко е равен израза

 89. 2530. 2740\frac{8}{9}.\ \frac{25}{30}.\ \frac{27}{40}  ?

 12\frac{1}{2}  

2

 59\frac{5}{9}  

 13\frac{1}{3}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

18\frac{1}{8}

14\frac{1}{4}

38\frac{3}{8}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вярно ли е, че

 73\frac{7}{3}  е реципрочна на  37\frac{3}{7}  ?

Вярно

Грешно

4.

FILL IN THE BLANKS QUESTION

45 sec • 1 pt

Кое е реципрочното число на дробта 15\frac{1}{5}  ?




(a)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вярно ли е, че произведението на две реципрочни числа е равно на 1?

Не

Да

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Пресметнете: 157: 521\frac{15}{7}:\ \frac{5}{21}  


3

9

 19\frac{1}{9}  

 13\frac{1}{3}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Кое е грешното?

193. 319=1\frac{19}{3}.\ \frac{3}{19}=1

913: 913=1\frac{9}{13}:\ \frac{9}{13}=1

913913=0\frac{9}{13}-\frac{9}{13}=0

913: 139=1\frac{9}{13}:\ \frac{13}{9}=1

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