A-B=30.Jika A+B=120 A:B=.... Pake caranya besok kumpulin !
Matematika
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Pertanyaan
A-B=30.Jika A+B=120 A:B=....
Pake caranya besok kumpulin !
Pake caranya besok kumpulin !
1 Jawaban
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1. Jawaban Anonyme
A - B = 30
A + B = 120
_________ _
-2B = -90
B = -90 / (-2)
B = 45
A - B = 30
A - 45 = 30
A = 30 + 45
A = 75
A : B
= 75 : 45
= 5 : 3