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Cat da la c si la d?

Cat Da La C Si La D class=

Răspuns :

Răspuns:

c) 5xm-10xm-1+20xm+1

5xm1×(x-2+4x2)

d)radical 18a4+4radical 2a-radical 5a2

radical2a×(radical9a3+4-radical25a)