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calculati a)4radical 90-radica10-(3radical160-5radical40) B)9radical27+5radical din24-(-2radical din 96-radical150+3radical243) C)4radical48-10radical189-12radical1029+2radical din525

Răspuns :

V=radical
a)4V90-V10-(3V160-5V40)=12V10-V10-(12V10-10V10)=12V10-V10-2V10=9V10
b)9V27+5V24-(-2V96-V150+3V243)=27V3+10V6-(-8V6-5V6+27V3)=27V3+10V6-(-13V6+27V3)=27V3+10V6+13V6-27V3=23V6
c)4V48-10V189-12V1029+2V525=16V3-30V21-84V21+10V21=16V3-104V21