[r]
(1)B¶ng CỘNG
+ = 11 + = 11 + = 11 + = 11 + = 12 + = 12 + = 12 + = 12 + = 13 + = 13 + = 13 + = 13 + = 14 + = 14 + = 14 + = 14 + = 15 + = 15 + = 15 + = 15 + = 16 + = 16 + = 16
+ = 17 + = 17 + = 18
+ = 11 + = 11 + = 11 + = 11 + = 12 + = 12 + = 12 + = 13 + = 13 + = 14
(2)B¶ng TRỪ
11 – = 9 12 – = 9 13 – = 9 14 – = 9 11 – = 8 12 – = 8 13 – = 8 14 – = 8 11 – = 7 12 – = 7 13 – = 7 14 – = 7 11 – = 6 12 – = 6 13 – = 6 14 – = 6 11 – = 5 12 – = 5 13 – = 5 14 – = 5 11 – = 4 12 – = 4 13 – = 4
11 – = 3 12 – = 3 11 – = 2
18 – = 9 17 – = 9 16 – = 9 15 – = 9 17 – = 8 16 – = 8 15 – = 8 16 – = 7 15 – = 7 15 – = 6
NGUYỄN BÁ PHÚC
(3)B¶ng cửu chơng nhân
x = 2 x = 3 x = 4 x = 5 x = 4 x = 6 x = 8 x = 10 x = 6 x = 9 x = 12 x = 15 x = 8 x = 12 x = 16 x = 20 x = 10 x = 15 x = 20 x = 25 x = 12 x = 18 x = 24 x = 30 x = 14 x = 21 x = 28 x = 35 x = 16 x = 24 x = 32 x = 40 x = 18 x = 27 x = 36 x = 45 x 10 = 20 x 10 = 30 x 10 = 40 x 10 = 50 x = 6 x = 7 x = 8 x = 9 x = 12 x = 14 x = 16 x = 18 x = 18 x = 21 x = 24 x = 27 x = 24 x = 28 x = 32 x = 36 x = 30 x = 35 x = 40 x = 45 x = 36 x = 42 x = 48 x = 54 x = 42 x = 49 x = 56 x = 63 x = 48 x = 56 x = 64 x = 72 x = 54 x = 63 x = 72 x = 81 x 10 = 60 x 10 = 70 x 10 = 80 x 10 = 90
Bảng cửu chơng chia
Trêng TiÓu häc An Thạnh 1
(4): = 1 : = 1 : = 1 : = 1 : = 2 : = 2 : = 2 10 : = 2 : = 3 : = 3 12 : = 3 15 : = 3 : = 4 12 : = 4 16 : = 4 20 : = 4 10 : = 5 15 : = 5 20 : = 5 25 : = 5 12 : = 6 18 : = 6 24 : = 6 30 : = 6 14 : = 7 21 : = 7 28 : = 7 35 : = 7 16 : = 8 24 : = 8 32 : = 8 40 : = 8 18 : = 9 27 : = 9 36 : = 9 45 : = 9 20 : = 10 30 : = 10 40 : = 10 50 : = 10 : = 1 : = 1 : = 1 9 : = 1 12 : = 2 14 : = 2 16 : = 2 18 : = 2 18 : = 3 21 : = 3 24 : = 3 27 : = 3 24 : = 4 28 : = 4 32 : = 4 36 : = 4 30 : = 5 35 : = 5 40 : = 5 45 : = 5 36 : = 6 42 : = 6 48 : = 6 54 : = 6 42 : = 7 49 : = 7 56 : = 7 63 : = 7 48 : = 8 56 : = 8 64 : = 8 72 : = 8 54 : = 9 63 : = 9 72 : = 9 81 : = 9 60 : = 10 70 : = 10 80 : = 10 90 : = 10