一年级数学上册口算题及答案_一年级数学上册口算题100道题

2 + 2 =3 + 5 =3 + 2 =7 + 2 =5 + 4 =8 + 1 =6 + 2 =1 + 5 =4 + 2 =5 + 3 =

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3 + 2 =7 - 1 =6 + 2 =1 + 2 =8 - 4 =1 + 8 =10 - 2 =1 + 9 =2 + 1 =9 + 1 =

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