Keajaiban perkalian dengan bilangan 9 dan kelipatannya
9 x 12.345.679 = 111.111.111
18 x 12.345.679 = 222.222.222
27 x 12.345.679 = 333.333.333
36 x 12.345.679 = 444.444.444
45 x 12.345.679 = 555.555.555 ....
Perhatikan pola perkaliannya!
Hitunglah nilai dari :
54 x 12.345.679 =
63 x 12.345.679 =
72 x 12.345.679 =
81 x 12.345.679 =
Monday, April 21, 2008
Bilangan ajaib
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