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πράξεις ρητών

Authored by Despoina Mitsiadi

Mathematics

7th Grade

Used 9+ times

πράξεις ρητών
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 73+56=73+(56)\frac{-7}{3}+\frac{5}{-6}=-\frac{7}{3}+\left(-\frac{5}{6}\right)  

σωστό 

λάθος

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 73+(56)=7356-\frac{7}{3}+\left(-\frac{5}{6}\right)=-\frac{7}{3}-\frac{5}{6}  

σωστό

λάθος

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7356=-\frac{7}{3}-\frac{5}{6}=  

 =7656=126=-\frac{7}{6}-\frac{5}{6}=-\frac{12}{6}  

 =14656=216=-\frac{14}{6}-\frac{5}{6}=-\frac{21}{6}  

 =14656=196=-\frac{14}{6}-\frac{5}{6}=-\frac{19}{6}  

 =14656=96=-\frac{14}{6}-\frac{5}{6}=-\frac{9}{6}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7356=73(56)\frac{-7}{3}-\frac{5}{-6}=-\frac{7}{3}-\left(-\frac{5}{6}\right)  

σωστό

λάθος

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 73(56)=73+56-\frac{7}{3}-\left(-\frac{5}{6}\right)=-\frac{7}{3}+\frac{5}{6}  

σωστό 

λάθος

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 73+56=-\frac{7}{3}+\frac{5}{6}=  

 =76+56=-\frac{7}{6}+\frac{5}{6}  

 =146+56=-\frac{14}{6}+\frac{5}{6}  

 =129=-\frac{12}{9}  

 =23=-\frac{2}{3}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 146+56=-\frac{14}{6}+\frac{5}{6}=  

 =196=\frac{19}{6}  

 =196=-\frac{19}{6}  

 =96=-\frac{9}{6}  

 =96=\frac{9}{6}  

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