Jawabanmu

Jawaban paling cerdas!
2014-09-07T21:31:17+07:00
Munkin begini
a). a+b+c = 2x + 7y + 9z (tetap)
b). 2a^ + 3b + c^ = 2 x 2x^ + 3 x 7y + 9z^
= (2 x 2x^) + (3 x 7y) + 9z^
= 4x^ + 21y + 9z^

*ket :
^= pangkat 2