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Abakus

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  • 1. ABAKUS PENAMBAHAN TERUSSatu naik satu KOMBINASI 5Dua naik duaTiga naik tiga Satu naik lima buang empat 1 + 4 = 5Empat naik empat Dua naik lima buang tiga 2 + 3 = 5Lima naik lima Tiga naik lima buang dua 3 + 2 = 5Enam naik enam Empat naik lima buang satu 4 + 1 = 5Tujuh naik tujuhLapan naik lapanSembilan naik sembilan KOMBINASI 10Satu buang sembilan naik sepuluh 1 + 9 = 10Dua buang lapan naik sepuluh 2 + 8 = 10Tiga buang tujuh naik sepuluh 3 + 7 = 10Empat buang enam naik sepuluh 4 + 6 = 10Lima buang lima naik sepuluh 5 + 5 = 10Enam buang empat naik sepuluh 6 + 4 = 10Tujuh buang tiga naik sepuluh 7 + 3 = 10Lapan buang dua naik sepuluh 8 + 2 = 10Sembilan buang satu naik sepuluh 9 + 1 = 10 GABUNGAN KOMBINASI 5 DAN 10Enam naik satu buang lima naik sepuluh 6 + (5 - 1) = 10Tujuh naik dua buang lima naik sepuluh 7 + (5 - 2) = 10Lapan naik tiga buang lima naik sepuluh 8 + (5 - 3) = 10Sembilan naik empat buang lima naik sepuluh 9 + (5 - 4) = 10
  • 2. ABAKUS PENOLAKAN TERUSSatu turun satu KOMBINASI 5Dua turun duaTiga turun tiga Satu buang lima naik empat 5 - 1 = 4Empat turun empat Dua buang lima naik tiga 5 - 2 = 3Lima turun lima Tiga buang lima naik dua 5 - 3 = 2Enam turun enam Empat buang lima naik satu 5 - 4 = 1Tujuh turun tujuhLapan turun lapanSembilan turun sembilan KOMBINASI 10Satu buang sepuluh naik sembilan 10 - 1 = 9Dua buang sepuluh naik lapan 10 - 2 = 8Tiga buang sepuluh naik tujuh 10 - 3 = 7Empat buang sepuluh naik enam 10 - 4 = 6Lima buang sepuluh naik lima 10 - 5 = 5Enam buang sepuluh naik empat 10 - 6 = 4Tujuh buang sepuluh naik tiga 10 - 7 = 3Lapan buang sepuluh naik dua 10 - 8 = 2Sembilan buang sepuluh naik satu 10 - 9 = 1 GABUNGAN 5 DAN 10Enam buang sepuluh naik lima buang satu 10 - 6 = 5 - 1 (4)Tujuh buang sepuluh naik lima buang dua 10 - 7 = 5 - 2 (3)Lapan buang sepuluh naik lima buang tiga 10 - 8 = 5 - 3 (2)Sembilan buang sepuluh naik lima buang empat 10 - 9 = 5 - 4 (1)

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