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CALCULATI MEDIA ARITMETIKA A NUMERELOR REALE A [tex]a=1,25:0,05- 2\sqrt7*(-2,5-4,8)[/tex]
b=[tex] 5\sqrt7*(-2,4)+6,24:(0,04-0,24)[/tex]


Răspuns :

MFM
a=125/100.100/5-2√7(-25/10-48/10)=25+73√7/5
b=-5√7.24/10+624/100:(4/100-24/100)=-12√7-156/5
Ma=(25+73√7/5-12√7-156/5)/2=(125+73√7-60√7-156)/10=(13√7-31)/10