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Pelajaran :MatematikaKelas :7
Bab :5
Nama Bab :Perbandingan dan Aritmatika Sosial
Kode mapel:2
Kode :7.2.5
Jawab:
a=5/(5+4+1)×150
=5/10×150
=1/2×150
=75
b=4/(5+4+1)×150
=4/10×150
=2/5×150
=2×30
=60
c=1/(5+4+1)×150
=1/10×150
=15
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