1. Tính nhẩm:
0 x 4 = 0 x 2 = 0 x 3 = 0 x 1 =
4 x 0 = 2 x 0 = 3 x 0 = 1 x 0 =
2. Tính nhẩm:
0 : 4 = 0 : 2 = 0 : 3 = 0 : 1 =
3. Số ?
...x 5 = 0 3 x ... = 0
...: 5 = 0 ... : 3 = 0
4. Tính:
2 : 2 x 0 = 0 : 3 x 3 =
5 : 5 x 0 = 0 : 4 x 1 =
1.
0 x 4 = 0 0 x 2 = 0 0 x 3 = 0 0 x 1 = 0
4 x 0 = 0 2 x 0 = 0 3 x 0 = 0 1 x 0 = 0
2.
0 : 4 = 0 0 : 2 = 0 0 : 3 = 0 0 : 1 = 0
3.
0 x 5 = 0 3 x 0 = 0
0 : 5 = 0 0 : 3 = 0
4.
2 : 2 x 0 = 1 x 0 = 0 0 : 3 x 3 = 0 x 3 = 0
5 : 5 x 0 = 1 x 0 = 0 0 : 4 x 1 = 0 x 1 = 0
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