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Multiplicação e divisão de frações racionais (negativos)

Authored by Meijisan Meijisan

Mathematics

7th Grade

Used 40+ times

Multiplicação e divisão de frações racionais (negativos)
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6 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (34)(57)\left(-\frac{3}{4}\right)\cdot\left(-\frac{5}{7}\right)  

 1528\frac{15}{28}  

 1528-\frac{15}{28}  

 2120\frac{21}{20}  

 2120-\frac{21}{20}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (+45)(58)\left(+\frac{4}{5}\right)\cdot\left(-\frac{5}{8}\right)  

 14\frac{1}{4}  

 12\frac{1}{2}  

 14-\frac{1}{4}  

 12-\frac{1}{2}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (27):(34)\left(-\frac{2}{7}\right):\left(-\frac{3}{4}\right)  

 314\frac{3}{14}  

 17\frac{1}{7}  

 821\frac{8}{21}  

 328\frac{3}{28}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (+94):(316)\left(+\frac{9}{4}\right):\left(-\frac{3}{16}\right)  

 15-15  

 12-12  

 8-8  

 6-6  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (+1825)(+454)\left(+\frac{18}{25}\right)\cdot\left(+\frac{45}{4}\right)  

 8110\frac{81}{10}  

 2710\frac{27}{10}  

 910\frac{9}{10}  

 310\frac{3}{10}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (+2125):(1415)\left(+\frac{21}{25}\right):\left(-\frac{14}{15}\right)  

 95-\frac{9}{5}  

 35-\frac{3}{5}  

 310-\frac{3}{10}  

 910-\frac{9}{10}  

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