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Calculati (2/radical2-3/radical3)·radical6+(3/radical18-10/radical75)(-radical6)

Răspuns :

Ctinamaria31xxx
2r12-3r18+(-3r108+10r450)

r12=2r3
r18=3r2
r108=6r3
r450=15r2

2*2r3-3*3r2-3*6r3+10*15r2=
4r3-9r2-18r3+150r2=
-14r3+141r2

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