【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《20以内破十法练习题》,欢迎阅读!
20以内退位减法练习题 姓名____
破十法口诀:看大数,分出10;减小数,加剩数。
15 - 6 = 12 - 5 = 17 - 9 =
13 - 4 = 11
16 - 8 = 15
12 - 7 = 14
12 - 9 = 11
16 - 9 = 15
11 - 6 = 13
13 - 9 = 17
- 5 = - 9 = - 9 = - 3 = 12 - 8 = 13 - 4 = - 8 = 14 - 7 = 18 - 9 = 13 - 7 = - 4 = - 8 = 14 - 5 = 14 - 6=
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