Matma 5 Flashcards

Gabi

1
Q

Wartosci katow?

A

Kat ostry: >0, ale < od 90o

Kat rozwarty: >90o, ale < od 180o

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2
Q

Dwa wzory na pole rombu?

A
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3
Q

Pole rownolegloboku?

A
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4
Q

Zamien 0.3 cm na milimetry:

A

1 cm = 10 mm

0.3 x 10 mm= 3 mm

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5
Q

Zamien 1725 metrow na kilometry:

A

1725 m=1725 m/ 1000m= 1.725 km kilometra

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6
Q

Jak nazwac jednostke 1000 razy wieksza od metra lub grama?

A

kilo-

kilometr - ma 1000 metrow

kilogram - ma 1000 gramow

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7
Q

Jak nazwac jednostke 1000 razy mniejsza od metra, grama, litra?

A

mili-

milimetr

miligram

mililitr

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8
Q

Ile to jest 1 dekagram?

A

1 dekagram = 10 gramow

1dag=10g

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9
Q

Ile dekagramow (dag) to jeden gram?

A

1 dag=10g

0.1 dag=1 g

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10
Q

Ile dekagramow jest w 1.3 kilograma?

A

1 kg = 100 dag = 1000 g

1.3 kg = 1300 g = 130 dag - dekagramow

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11
Q

Zapisz 3/8 w postaci dziesietnej?

A

3/8=3:8=0.375

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12
Q

Ile trzeba zaplacic za 30 dag orzechow, ktore kosztuje 24 zl za kilogram?

A

1 dag=10g

1 kg=100 dag

lub odwrotnie: 1 dag = 0.01 kg

czyli 30 dag to 30/100 kilogramow = 0.30 kg

24 zl x 0.3= 7.2 zl = 7 zlotych 20 groszy

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13
Q
A
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