jika |a| =4 |b| =6 dan |a+b| =8 hasil |a-b| =...
Matematika
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Pertanyaan
jika |a| =4 |b| =6 dan |a+b| =8 hasil |a-b| =...
1 Jawaban
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1. Jawaban farhah4
(4a+6)=8
4a=8-6
4a=2
a=2/4
(4+6b)=8
6b=8-4
6b=4
b=4/6. 1/2-2/3=7/6