一年级加减混合运算题39+35-40= 32-23+56= 17+48-37= 26+23+11= 12+15+19= 69-32-17=57+23-62= 57+23-48= 57+23-72= 72-57+18= 72-57+48= 72-48+18=100-28+35= 23+47-28= 28+24-16= 19+19-24= 22+28+21= 81-32+18= 21+19-8= 39+36-66= 65-39+26= 28+18-27= 89-19+28= 70-17+38= 18+49+28= 22+49-22= 21-8+39= 66-27+19= 38+14+19= 29+27+26= 37-29+16= 45+55-22= 100-65=26= 100-39-45= 24+47-26= 88-66+49= 28+19+17= 56+26-39= 67+27-45= 51-22+39= 73-37+38= 29+36-29= 30-13+68= 100-87+48= 66-39+47= 25-18+37= 100-55+45= 100-17-38= 85-39+45= 24+47-26= 88-66+49= 28+19+17= 56+26-39= 67+27-45= 51-22+39= 73-37+38= 29+36-29= 30-13+68= 100-87+48= 66-39+47= 25-18+37= 100-55+45=75-25+47=55+19-48=72+69-132=48-19+24=55+76-48=66+11-89=15+26-9=43+21-8=13+19-26=22+18-31=64-55-7=(1)25+37+19= (2)90-37-28=(4)47+9-20=(5)17+3+15= (6)75-50+14=(7)49+9-30