වැඩකාරයෝ ඉන්නවානන් එන්ඩෝ...

sri D

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Feb 2, 2016
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මේකත් හදපියවූ කොල්ලනේ

720
 

CoolMan88

Well-known member
  • Dec 27, 2012
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    21 bn ai waraduna:sorry: oke kuttam kuttam ne thiyenn oka x,y kiyala dala haduwanam hari nikan hithala ganna giyama patalenawa.

    x+x+x=30--> 3x=30--> x=10
    x+2y+2y=18 --> x+4y=18--> 4y=8--> y=2, x=10 nisa 4y=8 e kiyanne y=2
    2y-2z=2 -->4-2z=2-->2z=2-->z=1, 2y=4 enisa z=1

    z+x*y= ? --> 1+(10*2) =1+20 =21:D

    mamath 21 thamai kiwwe. Me thread eka daapu eka mata PM ekak ewala thibunane 21 weradi kiyala. Eka weradi wenne kohomada kiyala ehuwata kiyanneth nehe