二年级上口算题 88-10= 91-9= 38-5= 79-53= 72-48= 32+49= 79-28= 89-14= 62-18= 26+63= 84-78= 27+56= 94-84= 70-36= 41+35= 29-12= 37-27= 8+47= 91-90= 33-28= 47+32= 50-15= 59-14= 69-49= 11+36= 18+80= 96-32= 10+27= 32-11= 28+50= 41+18= 83-60= 42+22= 80-25= 75-72= 87-77= 43+41= 59+31= 26-13= 98-23= 60+26= 97-49= 81-12= 91-51= 27+40= 67-41= 69+16= 63-19= 61-7= 42+46= 26+43= 34+49= 92-17= 23+76= 46+11= 47-3= 82-70= 34+14= 67+33= 36+44= 71+3= 42+26= 70-54= 58-17= 39+56= 59+38= 6+73= 48-48= 17+41= 93-33= 37+48= 34+57= 43+31= 31-20= 39+23= 25-22= 89-52= 39-18= 66-50= 3+97= 95+5= 77-63= 29+43= 2+96= 90-34= 42+37= 46+37= 83+3= 69-45= 71-14= 30+66= 36+44= 35+33= 90-84= 70-17= 21+43= 78-19= 59-40= 6+36= 48-11= 12+16= 29-17= 33+22= 23+40= 15+24= 23+15= 37+41= 29-13= 38-13= 85-24= 88-22= 37+48= 43+15= 86+12= 70+23=