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Sunday, September 26, 2010

bilangan Rill

Bilangan Rill Dibedakan Menjadi 2 :
1. Bilangan Rasional
2. Bilangan irasional
3. Bilangan mutlak

1. Bilangan Rasional
bilangan yang merupakan hasil bagi 2bilangan bulat.
bilangan rasional terdiri dari :
1. bilangan asli
contohnya :1,2,3,4,5,6,7,...........
2. bilangan cacah
contoh :
0,1,2,3,4,5,......................
3. bilangan bulat
contoh :
-2,-1,0,1,2,3,..............
4. bilanag desimal
bilangan desimal berulanag
contoh :
0,123123123 atau 0,111111111111111



2. bilangan irasional
bilangan yang merupakan bukan hasil bagi 2 bilangan bulat.
bilangan irasional terdri dari bilangan
1. bilangan desimal tak berulang
contoh :
0,1234345664
2. bilangan berakar
akar 2

Thursday, September 23, 2010

Soal Latihan SPLDV

Soal No. 1 Diberikan dua persamaan linier 2x + y = 12 dan x − y = 3 . Tentukan nilai x dan nilai y dengan menggunakan metode eliminasi! Pem...