E83261_Matematyka_w_punkt_Zbior_zadan_Szkola_podstawowa_Klasa_7
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I<br />
x m<br />
y m<br />
50 %<br />
<br />
<br />
x<br />
<br />
<br />
y<br />
6. <br />
<br />
A. 0,5y m B. y m C. 1,5y m D.2y m<br />
7. PF<br />
<br />
2x 2 m 2 . P F<br />
1,5y 2 m 2 . P F<br />
8. (x + 30)<br />
(x + 65)(2x + 10)<br />
<br />
<br />
<br />
<br />
I<br />
<br />
<br />
<br />
<br />
<br />
II<br />
<br />
<br />
<br />
<br />
<br />
III<br />
<br />
<br />
<br />
<br />
9. <br />
x2<br />
31<br />
312x2<br />
<br />
7
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