Diketahui: ab + a + b = 5 ac + a + c = 9 bc + b + c = 14 Carilah nilai a + b + c
Matematika
Liyan94
Pertanyaan
Diketahui:
ab + a + b = 5
ac + a + c = 9
bc + b + c = 14
Carilah nilai a + b + c
ab + a + b = 5
ac + a + c = 9
bc + b + c = 14
Carilah nilai a + b + c
1 Jawaban
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1. Jawaban andrian133
a= 1
b= 2
c= 4
jadi, a + b + c = 7
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