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3√12-2√27=

4supra3 / 2supra9=

0,2supra0,01=

(2supra3)²-0,(4)=




Răspuns :

3√12=3x2√3=6√3
2√27=2x3√3=6√3
3√12-√27=6√3-6√3=0

(4/3)/(2/9)=4/3:2/9=4/3x9/2=(4x9)/(3x2)=36/6=6

0,2/0,01=0,2:0,01=2/10:1/100=2/10x100/1=200/10=20

(2/3)²-0,(4)=(4/9-4/9=0