Wykonajmy obliczenia.

1.

A.

$0,\underbrace{7}\underbrace{}\underbrace{}\cdot 1000=70$

B.

$0,007\underbrace{}\cdot 10000=70$

C.

$0,007\cdot 1000=7$

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2.

A.

$0,091\cdot 100=9,1$

B.

$91:10=9,1$

C.

$91\cancel{0}\cancel{0}:100\cancel{0}\cancel{0}=0,91$

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3.

$0,17:10000=0,000017$

$0,17\cdot 10000=1700$

$0,0000017\cdot 10=0,000017$

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Kolorujemy tabelki:

1.	A. $0,07\cdot 1000$	B. $0,007\cdot 10000$	C. $0,007\cdot 1000$
2.	A. $0,091\cdot 100$	B. $91:10$	C.  $9100:10000$
3.	A. $0,17:10000$	B. $0,17\cdot 10000$	C. $0,0000017\cdot 10$