减法口诀表的背法(减法口诀表完整版)

减法口诀表的背法(减法口诀表完整版)

首页维修大全综合更新时间:2024-12-28 06:07:10

减法口诀表的背法

20以内退位减法口诀表

11 - 9 = 11 - 8 = 11 - 7 = 11 - 6= 11 - 5 = 11 - 4 = 11 - 3 = 11 - 2 =

12 - 9 = 12 - 8 = 12 –7= 12 -6= 12 - 5= 12 -4= 12 -3=

13 - 9 = 13 -8= 13 -7= 13 -6= 13 - 5= 13 -4=

14 -9= 14 -8= 14 -7= 14 -6= 14 -5=

15 -9= 15 -8= 15 -7= 15 -6=

16 -9= 16 -8= 16 -7=

17 -9= 17 -8=

18 -9=

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