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Trik Perkalian Bilangan Berakhiran 9 Lebih Dari Satu Digit

Trik ini dapat mempermudah dan mempercepat penyelesaian soal dan pasti gampang.

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Trik Perkalian Bilangan Berakhiran 9 Lebih Dari Satu Digit

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  1. Trik PerkalianBerakhiran 9 (Lebihdarisatu Digit) Contoh: 29 x 74 = …. Atau 74 x 29 = …. Caranya: 1.Abaikansajanolnya. Untuklebihmudahgunakantrikbilanganberakhirnoldanperkalianmendatar 1. 29 + 1 = 30 12 2.7 4 x 3 = 2 22 Caranya: 1. Tambahkan1 padabilanganyang berakhiran 9. 2. Kalikanbilanganyang dikalidenganangkapengali yang telahberakhiran 0. 3. Kurangihasilperkaliandenganbilanganyang tidaktidakdiubah. 2 1 7 4 x 3 0 = 2 2 2 0 2. + 1 2 2 3.Kembalikannolsebagaiekor→ 2 220. 3. 2220 74 2146 Inilahhasilnya!!!

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