2*根号2-2分之1根号3+3分之1根号2+根号3化简
问题描述:
2*根号2-2分之1根号3+3分之1根号2+根号3化简
答
2v2-1/2 v3 +2/3 v2 +v3
=2v2+2/3v2 -1/2v3+v3
=v2(2+2/3)+v3(1-1/2)
=5/3* v2+1/2v3