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Primer período 3año

Authored by Virginia Meniguelli

Mathematics

3rd Grade

Used 55+ times

Primer período 3año
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 ab+ cb=a+cb\frac{a}{b}+\ \frac{c}{b}=\frac{a+c}{b}  Para a, b y c números enteros. Y b  ≠\ne  0

La operación realizada es correcta

La operación realizada es incorrecta

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 ab+ cd=a+cb+d  ,  siendo a, b c y d nuˊmeros enteros. Y b≠0, d≠0\frac{a}{b}+\ \frac{c}{d}=\frac{a+c}{b+d\ }\ ,\ \ siendo\ a,\ b\ c\ y\ d\ números\ enteros.\ Y\ b\ne0,\ d\ne0  

La operación realizada es incorrecta

La operación realizada es correcta

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1/2 + 3/5 =

11/10

-11/10

4/7

10

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

1/5 . 4/ 10

4/40

50/4

2/25

1/3

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 23+15.2=\frac{2}{3}+\frac{1}{5}.2=  

4/8

-4/8

2/3

16/15

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

En la ecuación  12x + 4 = 10\frac{1}{2}x\ +\ 4\ =\ 10  ; x= 

6

12

-12

-6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (23)−2\left(\frac{2}{3}\right)^{^{-2}}  

 49\frac{4}{9}  

 −49-\frac{4}{9}  

 94\frac{9}{4}  

 −94\frac{-9}{4}  

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