B¶ng CỘNG 9 + 2 = 11 8 + 3 = 11 7 + 4 = 11 6 + 5 = 11 9 + 3 = 12 8 + 4 = 12 7 + 5 = 12 6 + 6 = 12 9 + 4 = 13 8 + 5 = 13 7 + 6 = 13 6 + 7 = 13 9 + 5 = 14 8 + 6 = 14 7 + 7 = 14 6 + 8 = 14 9 + 6 = 15 8 + 7 = 15 7 + 8 = 15 6 + 9 = 15 9 + 7 = 16 8 + 8 = 16 7 + 9 = 16 9 + 8 = 17 8 + 9 = 17 9 + 9 = 18 2 + 9 = 11 3 + 8 = 11 4 + 7 = 11 5 + 6 = 11 3 + 9 = 12 4 + 8 = 12 5 + 7 = 12 4 + 9 = 13 5 + 8 = 13 5 + 9 = 14 B¶ng TRỪ 11 – 2 = 9 12 – 3 = 9 13 – 4 = 9 14 – 5 = 9 11 – 3 = 8 12 – 4 = 8 13 – 5 = 8 14 – 6 =[.]
9 9 9 9 + + + + + + + + = = = = = = = = 11 12 13 14 15 16 17 18 + = 11 8 8 8 + + + + + + + = = = = = = = 11 12 13 14 15 16 17 + = 11 + = 12 7 7 7 + + + + + + = = = = = = 11 12 13 14 15 16 6 6 + + + + + = = = = = 11 12 13 14 15 + = 11 + = 12 + = 13 5 5 + + + + = = = = 11 12 13 14 TrêngTiĨuhäcAn Thạnh NGUYỄN BÁ PHÚC B¶ng CỘNG 11 11 11 11 11 11 11 11 – – – – – – – – = = = = = = = = 18 – = 12 12 12 12 12 12 12 – – – – – – – = = = = = = = 17 – = 17 – = 13 13 13 13 13 13 – – – – – – = = = = = = 14 14 14 14 14 – – – – – = = = = = 16 – = 16 – = 16 – = 15 15 15 15 – – – – = = = = NGUYỄN BÁ PHÚC TrêngTiĨuhäcAn Thạnh B¶ng TRỪ 2 2 2 2 2 x x x x x x x x x x = = = = = = = = = 10 = 6 6 6 6 6 x x x x x x x x x x 10 10 12 14 16 18 20 3 3 3 3 3 x x x x x x x x x x = = = = 12 = 15 = 18 = 21 = 24 = 27 10 = 30 4 4 4 4 4 x x x x x x x x x x = = = 12 = 16 = 20 = 24 = 28 = 32 = 36 10 = 40 = = 12 = 18 = 24 = 30 = 36 = 42 = 48 = 54 = 60 7 7 7 7 7 x x x x x x x x x x = = 14 = 21 = 28 = 35 = 42 = 49 = 56 = 63 10 = 70 8 8 8 8 8 x x x x x x x x x x 10 = = 16 = 24 = 32 = 40 = 48 = 56 = 64 = 72 = 80 5 5 5 5 5 x x x x x x x x x x 10 =5 = 10 = 15 = 20 = 25 = 30 = 35 = 40 = 45 = 50 9 9 9 9 9 x x x x x x x x x x 10 = = 18 = 27 = 36 = 45 = 54 = 63 = 72 = 81 = 90 TrêngTiÓuhäcAn Thạnh NGUYỄN BÁ PHC Bảng cửu chơng nhân : : : : 10 : 12 : 14 : 16 : 18 : 20 : 2 2 2 2 2 :6 12 : 18 : 24 : 30 : 36 : 42 : 48 : 54 : 60 : = = = = = = = = = = 10 = = = = = = = = = = 10 : : : 12 : 15 : 18 : 21 : 24 : 27 : 30 : 3 3 3 3 3 = = = = = = = = = = 10 : : 12 : 16 : 20 : 24 : 28 : 32 : 36 : 40 : = = = = = = = = = = 10 : 10 : 15 : 20 : 25 : 30 : 35 : 40 : 45 : 50 : 5 5 5 5 5 = = = = = = = = = = 10 : 14 : 21 : 28 : 35 : 42 : 49 : 56 : 63 : 70 : 7 7 7 7 7 = = = = = = = = = = 10 : 16 : 24 : 32 : 40 : 48 : 56 : 64 : 72 : 80 : = = = = = = = = = = 10 : 18 : 27 : 36 : 45 : 54 : 63 : 72 : 81 : 90 : 9 9 9 9 9 = = = = = = = = = = 10 NGUYỄN BÁ PHÚC TrêngTiÓuhäcAn Thạnh Bảng cửu chơng chia ... PHC Bảng cửu chơng nhân : : : : 10 : 12 : 14 : 16 : 18 : 20 : 2 2 2 2 2 :6 12 : 18 : 24 : 30 : 36 : 42 : 48 : 54 : 60 : = = = = = = = = = = 10 = = = = = = = = = = 10 : : : 12 : 15 : 18 : 21 : 24 ... Thạnh B¶ng TRỪ 2 2 2 2 2 x x x x x x x x x x = = = = = = = = = 10 = 6 6 6 6 6 x x x x x x x x x x 10 10 12 14 16 18 20 3 3 3 3 3 x x x x x x x x x x = = = = 12 = 15 = 18 = 21 = 24 = 27 10 = 30... x x x x x x x x x = = = 12 = 16 = 20 = 24 = 28 = 32 = 36 10 = 40 = = 12 = 18 = 24 = 30 = 36 = 42 = 48 = 54 = 60 7 7 7 7 7 x x x x x x x x x x = = 14 = 21 = 28 = 35 = 42 = 49 = 56 = 63 10 = 70