Võrduse koostamine 8.klass

Võrduse koostamine 8.klass

8th Grade

10 Qs

quiz-placeholder

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Võrduse koostamine 8.klass

Võrduse koostamine 8.klass

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Helgi Kaiv

Used 8+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Üks arv on x ja teine y. Nende summa on 38.

x+y =38

x-y =38

xy=38

x/y=38

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Üks arv on x ja teine y. Üks arv on 30% teisest.

x = y + 0,3

y = 0,3x

x = 0,3y

x = y + 0,3y

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Üks arv on x ja teine y. Üks arv on teisest 6% võrra suurem.

x = y - 0,06y

x = y + 0,06y

x = y + 0,06

y = x + 0,06y

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Üks arv on x ja teine y. Üks arv on 3 võrra suurem kui 20% teisest.

x = 0,2y + 3

y = 0,2x + 3

x = 1,2x + 3

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Üks arv on x ja teine y. Esimese arvu viiekordne on nelja võrra väiksem teise arvu kolmekordsest.

3x = 5y - 4

5x = 3y - 4

5x - 3y = 4

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Ristküliku pikkus on xcm ja laius ycm. Kui pikkust suurendada 20% võrra ja laiust vähendada 3% võrra, siis on ristküliku ümbermõõt 48cm.

0,2x + 0,2x + 0,03y + 0,03y = 48

1,2x + 1,2x + 0,97y + 0,97y = 48

1,2x + 0,97y = 48

2(1,2x + 0,97y)=48

2(0,2x + 0,03y)=48

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1kg õunu maksab x eurot ja 1kg pirne y eurot. 28kg õunu ja 13kg pirne maksab 36 eurot.

x +y = 36

28x + 13y = 36

13x + 28y = 36

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