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 Tr-êng TiĨu häc An 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 – = 14 14 14 14 14 – – – – – = = = = = 16 – = 16 – = 16 – = 15 15 15 15 – – – – = = = = 13 13 13 13 13 13 – – – – – – = = = = = = NGUYỄN BÁ PHÚC Tr-êng TiÓu häc An 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 Tr-êng TiÓu häc An Thạnh NGUYỄN BÁ PHÚC Bảng cửu ch-ơng 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 Tr-êng TiÓu häc An Thnh Bảng cửu ch-ơng chia ... 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... 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... 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