A.2a/3x dikali 2x kurangi 6 per 12a B.xy/z dibagi x/yz
Matematika
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Pertanyaan
A.2a/3x dikali 2x kurangi 6 per 12a
B.xy/z dibagi x/yz
B.xy/z dibagi x/yz
1 Jawaban
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1. Jawaban cupid85
a)( 2a / 3x )× (2x - 6 / 12a)
= (2a)(2x - 6)
-------------------
(3x)(12a)
= (2x - 6)
---------------
(3x)(6)
= 2(x - 3)
--------------
18x
= 2(x - 3)
--------------
2 (9x)
= (x - 3)
-------------
9x
b) (xy / z) ÷ (x / yz )
= (xy)(yz)
--------------
(z)(x)
= (y)(y)
= y²