Răspunsuri

2014-08-28T18:00:45+03:00
A. 2√3-12√2-7√2+20√2=2√3-√2

la celelalte nu stii?
b. 4.2√3+5.6√3-2.3√3=8√3+30√3-6√3=32√3
si c?
c. 4.6√6+3.4√6-3√6+2.20√6=24√6+12√6-3√6+40√6=69√6
mersi din suflet!