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6 кл – 4 – 2 – Пропорции. Свойства.

Authored by Pavlin Staikov

Mathematics

6th Grade

Used 3+ times

6 кл – 4 – 2 – Пропорции. Свойства.
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ако ab=cd\frac{a}{b}=\frac{c}{d} то кое от следните равенства НЕ е вярно?

a.d=b.ca.d=b.c

ad=cb\frac{a}{d}=\frac{c}{b}

db=ca\frac{d}{b}=\frac{c}{a}

ac=bd\frac{a}{c}=\frac{b}{d}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ако ab=cd\frac{a}{b}=\frac{c}{d} то кое от следните равенства НЕ е вярно?

a+bb=c+dd\frac{a+b}{b}=\frac{c+d}{d}

a−bb=c−dd\frac{a-b}{b}=\frac{c-d}{d}

ba=dc\frac{b}{a}=\frac{d}{c}

ba=cd\frac{b}{a}=\frac{c}{d}

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Намерете неизвестния член в пропорцията x5=315\frac{x}{5}=\frac{3}{15}

(a)  

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Намерете неизвестния член в пропорцията 69=x3\frac{6}{9}=\frac{x}{3}

(a)  

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Намерете неизвестния член в пропорцията 4x=23\frac{4}{x}=\frac{2}{3}

(a)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

За пропорцията 366=183\frac{36}{6}=\frac{18}{3} е изпълнено:

36.18=6.336.18=6.3

36.3=6.1836.3=6.18

36.3=18.336.3=18.3

36.36=18.1836.36=18.18

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

За пропорцията 279=x2\frac{27}{9}=\frac{x}{2} е изпълнено:

27.27=x.x27.27=x.x

27.9=x.227.9=x.2

27.x=2.927.x=2.9

27.2=x.927.2=x.9

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