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－. 5. 2. －. 2. 3. 3. 1. － 3. － 6. 7. 4. 8. 2. － 0. － 5. 6. 6. 10. 5. － 3. 9. 7. 10. － 1. － 3. 5. 4. 1. 4. － 5. － 4. 7. 2. 7. 3. － 4. － 8. 10. 8. 0. 6. － 2. ＋ 6. 4. 8 － = 2. 6. 试一试：. 6 － = 3. 3. 9 － = 4. 5.

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  1. － 5 2 － 2 3 3 1 －3 －6 7 4 8 2 －0 －5 6 6 10 5

  2. －3 9 7 10 －1 －3 5 4 1 4 －5 －4 7 2 7 3 －4 －8 10 8 0 6 －2 ＋6 4

  3. 8－ = 2 6 试一试： 6－ = 3 3 9－ = 4 5 7－ = 1 6 8－ = 8 0

  4. 写出差是3的减法算式。 3－0 6－3 = = = 4－1 5－2 = = = 7－4 8－5 9－6 = 10－7

  5. 写出差是4的减法算式。 4－0 = = = = = =

  6. 写出差是5的减法算式。 5－0 = = = = =

  7. 写出差是6的减法算式。 6－0 = = = =

  8. 写出差是7的减法算式。 7－0 = = =

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