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Calculeaza :3•1/2•√0,0225 -0,(6)•√1,125 •2+0,2(7)-√0,09

Spatiul inseamna can nu au radical so acele numere.

Va rog e urgent


Răspuns :

3/2•0,15-2/3•√(9/8)•2+(27-2)/90-3/10=
3/2
•3/20-2/3•3√2/4•2+5/18-3/10=
9/40-
√2+(25-27)/90=
9/40-√2-1/45=
(9•9-360√2-8)/360=
(73-360√2)/360