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100以内加减法,27+5=,69+7=,47+8=,38+5=,28+3=,59+9=,30+5=,27+8=,49+7=,64+5=,27+6=,22+4=,82+5=,90+9=,27+2=,39+4=,32+6=,27+60=,20+10=,49+50=,77+5=,78+4=,78+8=,87+6=,56+8=,76+5=,35+9=,49+30=,84+7=,39+7=,30+5=,45+9=,27+3=,34+6=,88+5=,45+5=,43+9=,42+8=,40+50=,34+7=,84+6=,25+5=,33+7=,74+6=,59+1=,45+6=,28+9=,34+7=,39+8=,47+5=,
