小学一年级数学(下)口算题(十七) 17+73= 53+33= 32-15= 60+3= 28+69= 100-94= 63-35= 12-7= 66-46= 10+69= 45+30= 17+42= 38-17= 51-30= 87-55= 17+68= 36-11= 46+52= 30+58= 63+18= 97-70= 47-11= 70+18= 37-20= 79-34= 50+1= 76+18= 3+73= 60-25= 90-46= 88+12= 63-29= 60-13= 50-44= 82-54= 73+8= 14+55= 82+10= 39+51= 88-2= 76+23= 88-88= 52+12= 88-15= 41+56= 27+30= 71+14= 57-55= 88-27= 45-3= 88-12= 82-46= 100-21= 11-2= 99-23= 48-11= 91-74= 57+36= 33+56= 97-23= 60-53= 54+13= 59-7= 58+21= 41-19= 30+28= 38-37= 93-43= 55-14= 100-9= 35-6= 67+33= 39+47= 15+43= 50+22= 48+44= 39+17= 59+11= 71-4= 30+47= 80-75= 94-24= 56+7= 49-4= 96-54= 41-28= 77+6= 1+83= 31-15= 61-50= 85+11= 59+4= 97-9= 100-79= 51+45= 85-23= 50-7= 21+74= 28-13= 70-18=
