一年級(jí)數(shù)學(xué)學(xué)習(xí)口訣之“湊十法、破十法、借十法”口訣最后帶習(xí)題(編輯修改稿)
2025-04-01 22:42 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 9 = 12 8 = 11 7 =12 9 = 11 8 = 11 9 =【 練 習(xí) 題. 九 】 （湊十法）1. 拆小數(shù)，湊大數(shù)，湊成10，再相加 。9 + 8 = 9 + 7 = 9 + 6 =9 + 5 = 9 + 4 = 9 + 3 =9 + 2 = 8 + 7 = 8 + 6 =8 + 5 = 8 + 4 = 8 + 3 =7 + 6 = 7 + 5 = 7 + 4 =6 + 5 = 【 練 習(xí) 題. 十 】 （湊十法）2. 拆大數(shù)，湊小數(shù)，湊成10，再相加 。8 + 9 = 7 + 9 = 6 + 9 =5 + 9 = 4 + 9 = 3 + 9 =2 + 9 = 7 + 8 = 6 + 8 =5 + 8 = 4 + 8 = 3 + 8 =6 + 7 = 5 + 7 = 4 + 7 =5 + 6 = 3.9 + 9 = 8 + 8 = 7 + 7 = 6 + 6 = 【 練 習(xí) 題. 十一 】 （湊十法）1. 拆小數(shù)，湊大數(shù)9 + 9 = 9 + 8 = 9 + 7 =9 + 6 = 9 + 5 = 9 + 4 =9 + 3 = 9 + 2 = 8 + 8 =8 + 7 = 8 + 6 = 8 + 5 =8 + 4 = 8 + 3 = 7 + 7 =7 + 6 = 7 + 5 = 7 + 4 =6 + 6 = 6 + 5 = 【 練 習(xí) 題. 十二 】 （湊十法）2. 拆大數(shù)，湊小數(shù)9 + 9 = 8 + 9 = 7 + 9 =6 + 9 = 5 + 9 = 4 + 9 =3 + 9 = 2 + 9 = 8 + 8 =7 + 8 = 6 + 8 = 5 + 8 =4 + 8 = 3 + 8 = 7 + 7 =6 + 7 = 5 + 7 = 4 + 7 =6 + 6 = 5 + 6 = 【 練 習(xí) 題. 十三 】 （湊十法）一、用湊十法做一做。9 + 6 = 9 + 5 = 9 + 4 = 9 + 3 = 9 + 2 = 9 + 7 = 9 + 8 = 9 + 9 =8 + 8 = 8 + 7 = 8 + 9 = 8 + 6 =8 + 5 = 8 + 4 = 8 + 3 = 7 + 9 =7 + 8 = 7 + 7 = 7 + 6 = 7 + 4 =7 + 5 = 6 + 9 = 6 + 8 = 6 + 7 =6 + 6 = 6 + 5 = 5 + 9 = 5 +
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