16 x 20,21 + 20,21 x14 + 20,21 x 2009 – 20,21 x 2039

Question

16 x  20,21 + 20,21 x14 + 20,21 x  2009 – 20,21 x  2039

giahan · Answer

`16xx20,21+20,21xx14+20,21xx2009-20,21xx2039`   `=20,21xx(16+14+2009-2039)`   `=20,21xx(2039-2039)`   `=20,21xx0`   `=0`

tonhi · Answer

16 x 20,21 + 20,21 x14 + 20,21 x 2009 &ndash; 20,21 x 2039     = (16 + 14 + 2009 - 2039) x 20,21     = 0 x 20,21 = 0

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