urgentt
Am nevoie pana 11:40
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a) Rationalizezi cu V2
4V2/(V2*V2) = 4V2/V4 = 4V2/2 = 2V2
b) Rationalizezi cu V3
12V3/3 = 4V3
c) Cu V5
V5/2*5= V5/10
d) Descompunem in factori primi pe 40
40|5
8| 2
4| 2
2 | 2
1 deci V40 = 2V10
Fractia -20/2V10 = -10/V10 rationalizam cu V10 si da -10V10/10 = -V10