kalau perkalian 9 sih gampang diingat, krn jumlah angka hasil perkalian pasti 9 (walaupun bilangannya sampai ribuan, milyaran) Kalau dulu diajarin guru utk mengingat perkalian 9 dgn metode 10 jari (jari direntangkan kayak ngitung 1-10) kalo 1 x 9, jari kelingking kiri ditekuk, hasilnya 9 kalo 4 x 9, jari ke 4 (jari telunjuk kiri) ditekuk, hasilnya 3 jari sebelum telunjuk kiri dan 6 jari setelahnya jadi = 36 kalo 6 x 9, jari ke 6 ditekuk (jempol kanan), hasilnya 5 jari sblm jempol kanan dan 4 jari setelahnya, jadi = 54 dst....(perkalian 9 ,1-10) syaratnya jari harus 10 ya...kalau jarinya kurang or lebih mungkin nggak bisa (serius)
Dini ----- Original Message ----- From: "Maria" <[EMAIL PROTECTED]> To: <balita-anda@balita-anda.com> Sent: Friday, August 18, 2006 3:32 PM Subject: Re: [balita-anda] Tips Perkalian Mudah untuk SD Kelas 1-2 > Masih ada nih bu > saya tambah ya > perkalian 9 > 7 x 9 > Caranya > 7-1 = 6 (untuk puluhan) > 9-6 = 3 (untuk satuan) > 7x9 = 63 (total angka selalu 9) > > 8x9 = 72 (total 9) > > Maaf kalo dah basi ^_^ > > ----- Original Message ----- > From: "Rini Rusli" <[EMAIL PROTECTED]> > To: <balita-anda@balita-anda.com> > Sent: Wednesday, August 16, 2006 4:37 PM > Subject: [balita-anda] Tips Perkalian Mudah untuk SD Kelas 1-2 > > > Dari milis sebelah... > > Rgds, > Rini > > >
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