Matematyka 7
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170 4. WYRAŻENIA ALGEBRAICZNE<br />
13 <br />
<br />
14 -<br />
<br />
15 dfd<br />
f<br />
<br />
16 n<br />
<br />
17 <br />
2<br />
( x + 2x<br />
+ 3)<br />
<br />
2<br />
( 2x − 5)<br />
<br />
( 5x + 1)<br />
( 7x + 4)<br />
<br />
<br />
<br />
18 xy lat<br />
<br />
<br />
19 x<br />
<br />
20 x-
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