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3√5*2√2+√200*√20-12*2√10-√30:√3(steluta tine locul semnului

Răspuns :

5√10+√4000 -14√10-√10=-10√10+√4*10*10*10= 2√10
folosesc / pe post de radical


3/5 * 2/2 + /200 * /20 - 12*2/10 -/30 ÷/3 =
6/10 + 10/2 * /(2*10) - 24/10 - /10 =
6/10 + 10/(2*2*10) - 25/10 =
6/10 + (10*2)/10 - 25/10 =
6/10 + 20/10 - 25/10=
(26-25)/10 =
/10