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Решение дробно-рациональных уравнений.

Authored by Елена Макарова

Mathematics

8th Grade

Used 11+ times

Решение дробно-рациональных уравнений.
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5 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решить уравнение:

 х+34х293х4х2+12х+9=22х3\frac{х+3}{4х^2-9}-\frac{3-х}{4х^2+12х+9}=\frac{2}{2х-3}  

-1,5 и 0

1,5 и -1,5

-6 и 0

1,5 и -6

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решить уравнение:

 3х+4х22х12х=3х2х\frac{3х+4}{х^2-2х}-\frac{1}{2-х}=\frac{3х-2}{х}  

0 и 2

0 и 4

2 и 4

4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решить уравнение:

 3х22х+42х3+8=32+х\frac{3}{х^2-2х+4}-\frac{2}{х^3+8}=\frac{3}{2+х}  

0 и 2

-2 и 2

нет корней

0 и -2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решить уравнение:

 30х21+718хх3+1=13х2х+1\frac{30}{х^2-1}+\frac{7-18х}{х^3+1}=\frac{13}{х^2-х+1}  

-1и 4

1 и 4

9 и -4

-9 и 4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решить уравнение:

 17у10у2+у+125у1=65у31\frac{17у-10}{у^2+у+1}-\frac{25}{у-1}=\frac{65}{у^3-1}  

4 и -2,5

1 и 4

-2,5 и 1

-4 и -2,5

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