50以内加减法混合运算-(共19页).doc

26+29-32= 35+18-39= 47-26+13=49-16+16= 42-13+15= 37-26+7=37-18+9= 31-26+28= 41-15+8=44-19+9= 43-19+7= 27-19+24=26-19+18= 52-29+3= 15+27+18=29+8-19= 27-18+16= 35-19+13=26+28-46= 41-23-5= 45-29+7=26+8+34= 34-19+26= 42-18-15=36+9-19= 34-6-18= 25+7-13=34+7-28= 31-27+9= 31-15-8=3