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mnohočleny odčítání a sčítání

Authored by Kateřina Abrhámová

Mathematics

2nd Grade

Used 14+ times

mnohočleny odčítání a sčítání
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10 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 (5b+4)(2b+3)=\left(5b+4\right)-\left(2b+3\right)=  

3b+1

7b+1

3b+7

7b+7

ani jedna z nabídky

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 (3a2b)(2a2b)=\left(-3a^2-b\right)-\left(2a^2-b\right)=  

ani jedna z nabídky

 5a2-5a^2  

 5a22b-5a^2-2b  

 a2-a^2  

 a22b-a^2-2b  

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 (xyz)(xy+3z)=-\left(x-y-z\right)-\left(-x-y+3z\right)=  

ani jedna z nabídky

2y-2z

2x-2y

2x-2y-2z

-2z

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 3c(42c)=3c-\left(4-2c\right)=  

ani jedna z nabídky

5c+4

5c-4

c-4

c+4

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 u2u3(2u2+3u3)=u^2-u^3-\left(2u^2+3u^3\right)=  

 4u3u2-4u^3-u^2  ani jedna z nabídky

ani jedna z nabídky

 2u3+3u22u^3+3u^2  

 4u3+3u2-4u^3+3u^2  

 2u3u22u^3-u^2  

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 2v+(v26)3v2+5v=2v+\left(v^2-6\right)-3v^2+5v=  

 2v2+7v6-2v^2+7v-6  

 2v27u62v^2-7u-6  

 2v2+7u-2v^2+7u  

ani jedna z nabídky

 7v6-7v-6  

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 (a2)(2a)+(+3a2)(4a)=\left(-a^2\right)-\left(2a\right)+\left(+3a^2\right)-\left(-4a\right)=  

ani jedna z nabídky

 2a2+2-2a^2+2  

 2a2+22a^2+2  

 2a2+a2a^2+a  

 2a22-2a^2-2  

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