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连加连减

连加连减. 8. 4+3+1=. 7. 10-5-3=. 2. 5. 7. 4+ 1 + 2 =. 5. 9 -3- 2 =. 4. 6. 7 － 3 ＋ 2 =. 5. 4. 6 － 2 ＋ 1 =. 6. 4. 3 ＋ 2=5. 2 ＋ 3=5. 5 － 2=3. 5 － 3=2. 3 ＋ 4=7. 4 ＋ 5=9. 4 ＋ 3=7. 5 ＋ 4=9. 7 － 3=4. 9 － 5=4. 7 － 4=3. 9 － 4=5. ＋. 6. 2 ＋ 6 = 8. 2. 右. 6.

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连加连减

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  1. 连加连减

  2. 8 4+3+1= 7

  3. 10-5-3= 2 5

  4. 7 4+1+2= 5 9-3-2= 4 6

  5. 7－3＋2 = 5 4

  6. 6－2＋1 = 6 4

  7. 3＋2=5 2＋3=5 5－2=3 5－3=2

  8. 3＋4=7 4＋5=9 4＋3=7 5＋4=9 7－3=4 9－5=4 7－4=3 9－4=5

  9. ＋ 6 2＋6 = 8 2 右 6 从（ ）开始跳，往（ ）跳（ ）格，跳到了（ ）。 8

  10. ＋ 5 3＋5 = 8 3 右 5 从（ ）开始跳，往（ ）跳（ ）格，跳到了（ ）。 8

  11. － 6 7－6= 1 7 左 6 从（ ）开始跳，往（ ）跳（ ）格，跳到了（ ）。 1

  12. － 7 9－7= 2 9 左 7 从（ ）开始跳，往（ ）跳（ ）格，跳到了（ ）。 2

  13. 2＋4=6 7－4=3

  14. 5 6 10=5+ = +4= + = + = + = +

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