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1、單擊此處編輯母版標(biāo)題樣式,單擊此處編輯母版文本樣式,第二級(jí),第三級(jí),第四級(jí),第五級(jí),*,乘車,口算,8+2=,10,8-7=,1,0+9=,9,2+5=,7,10-2=,8,4+3=,7,?,( ) + ( ) = ( ),3,2,5,8 只,？,8 - 3 = 5,乘車,起點(diǎn),三家店,七里站,九棵樹,起點(diǎn),三家店,七里站,九棵樹,起點(diǎn),三家店,七里站,九棵樹,2 + 3 + 2,=,5,7,5,+,2,+,1,=,8,7,？,數(shù)一數(shù)，再填數(shù),4 + 3 + ( ) = ( ),?,1,8,8,-,1,4,-,=,7,3,8,1,4,9 只,？,9,4,-,-,2,=,3,5,10 - 5 -

2、 ( ) = ( ),3,2,想一想,9 只,？,怎么算？,9,4,-,-,2,=,3,5,9,+,1,-,5,=,10,5,9,1,5,4 + 3 - 1 =,7,6,？,練一練,10,+,3,+,5,=,2,?,10 - 3 - 3 =,4,？,3 + 3 1=,6,5,試,一,試,5,2,3,7,2,3,4,1,5,8,3,4,7,2,5,10,5,4,9,5,練一練,1.,2,3,4,一共有幾個(gè),一共有多少人？,3,3,3,2,4,9,3,6,3,3,3,6,+,+,+,+,=,=,9,練一練,2說一說，算一算,8,2,3,3,3,2,8,-,-,=,比一比,看,誰,算,得,又,對(duì),又,快,10,0,8,2,1,9,10,6,9,7+2+1=,9-6-3=,3+3+2=,10-6-2=,10-4-5=,8+1+0=,4+2+4=,9- 0-3=,0+2+7=,10-5-2=,3,作業(yè),課本第47頁,第5題,第6題,第7題,謝謝,