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1、10的加减法,对口令,我说9。,我说1，1和9组成10。,1,9,4,10,7,10,2,10,10,6,3,8,在 中填上合适的数,口算我最棒,9 5 =8 + 1 =5 + 3 =8 4 =9 8 =2 + 7 =,6 + 3 =1 + 7 =8 3 =9 6 =4 + 5 =8 7 =,4,9,8,4,1,9,9,8,5,3,9,1,+,=,-,=,9,1,1,10,+,=,-,=,1,9,9,1,10,10,10,9,+,=,-,=,8,2,2,10,+,=,-,=,2,8,8,2,10,10,10,10,8,+,=,-,=,7,3,3,10,+,=,-,=,3,7,7,3,10,10
2、,10,10,7,+,=,-,=,6,4,4,10,+,=,-,=,4,6,6,4,10,10,10,10,6,+,=,-,=,5,5,5,10,10,10,5,842,2.,10 - =,731,10 - =,找朋友！哪两个数合起来是10,1,6,5,4,3,2,9,8,7,5,10,10,看谁算得又对又快,2+8= 5+5= 7+3= 1+9= 6+4= 10-1=10-8= 10-6= 10-3=10-5= 10-9= 10-7=,10,10,10,10,10,9,2,4,7,5,1,3,6.,5,7,2,9,3,8,6,4,1,7.,10 个,? 个,? 个,8 个,3,10,7,-,2,8,10,+,
