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连加连减,一年级(上册)第八单元,算式接龙,3+2=,5+3=,5,8,8+1=9,9+1=10,4,+,2,+,1,=,6,7,4,个,2,个,1,个,?,3,+,+,=,练一练,3,2,8,6,4,3,3,10,good!,7,8,-3,-1,=,5,4,-3,-1,10,-4,-,=,2,4,6,3,2,4,10()()=(),3,5,2,10(5)(3)=(2),10-5-3=,2,5+1+2=,8,6-3-3=,0,3+5+2=,10,2+4+2=,8,8-2-5=,1,3,+,4,+,3,10,写一写,算一算,2+3+4,10-2-3,下,课,