Maths(小學一年級) |
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練習一 (難度: *)
1)5 - 2 = | 2) 3 - 2 = | 3) 4 - 3 = | 4) 3 - 1 = | 5) 4 - 2 = |
6) 5 - 3 = | 7) 4 - 1 = | 8) 4 - 4 = | 9) 2 - 1 = | 10) 3 - 3 = |
練習二(難度: **)
1) 10 - 3 = | 2) 8 - 2 = | 3) 7 - 3 = | 4) 9 - 5 = | 5) 7 - 4 = |
6) 6 - 2 = | 7) 8 - 5 = | 8) 6 - 4 = | 9) 9 - 2 = | 10) 10 - 4 = |
練習三(難度: **)
1) 7 - 6 = | 2) 7 - 3 = | 3) 10 - 5 = | 4) 6 - 3 = | 5) 8 - 4 = |
6) 9 - 7 = | 7) 8 - 6 = | 8) 9 - 4 = | 9) 8 - 3 = | 10) 7 - 5 = |