1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 = 362880
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 = 362880
1 x 2 = ?
1 x 2 x 3 = ?
1 x 2 x 3 x 4 = ?
1 x 2 x 3 x 4 x 5 = ?
1 x 2 x 3 x 4 x 5 x 6 = ?
1 x 2 x 3 x 4 x 5 x 6 x 7 = ?
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 = ?
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 = ?
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 = ?
Bài 1 : Tính
8 x 8 =
6 x 4 =
4 x 4
Bài 2 : < , > , =
4 x 6 7 x 5
5 x 7 8 x 9
3 x 5 6 x 9
1+1 = ?
2 + 2 = ?
3 + 3 =?
4 + 4 = ?
5 + 5 = ?
7 x 7 = ?
8 x 8 = ?
9 x 9 = ?
6 x 6 = ?
Tính nhẩm :
2 x 3 = ... 2 x 2 = ...
2 x 5 = ... 2 x 4 = ...
2 x 7 = ... 2 x 6 = ...
2 x 8 = ... 2 x 1 = ...
2 x 9 = ... 2 x 10 = ...
8 x 1 =
8 x 2 =
8 x 3 =
8 x 4 =
8 x 5 =
8 x 6 =
8 x 7 =
8 x 8 =
8 x 9 =
8 x 10 =
9 x 1 =
9 x 2 =
9 x 3 =
9 x 4 =
9 x 5 =
9 x 6 =
9 x 7 =
9 x 8 =
9 x 9 =
9 x 10 =
9 x 11 =
9 x 12 =
2 x 1 =
2 x 2 =
2 x 3 =
2 x 4 =
2 x 5 =
2 x 6 =
2 x 7 =
2 x 8 =
2 x 9 =
2 x 10 =
4 x 1 =
4 x 2 =
4 x 3 =
4 x 4 =
4 x 5 =
4 x 6 =
4 x 7 =
4 x 8 =
4 x 9 =
4 x 10
4 x 11 =
5 x 2
6 x 3
7 x 6
9 x 7
8 x 8