Răspunsuri

2014-02-18T17:13:47+02:00
A) 2a- 4a+ 3a + 3b+ 5b- 4b = a + 4b;
c) √12 = 2√3; √48 = 4√3;  √27 = 3√3; √75 = 5√3;   √108 = 6√3;
Bafta!
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