100以内两位数加减法（2023-07-12）

100以内两位数加减法（2023-07-12）：48+39= 60-38= 14+14= 37+60= 46+52= 73-72= 36-28= 50-29= 92-55= 12+27= 63-63= 48-16= 19+31= 28+23= 88-30= 27+59= 49-31= 11+25= 47-19= 18+29= 87-30= 84-60= 82-47= 76-64= 40+32= 95-81= 91-55= 12+67= 29+54= 42-36= 70-61= 42+20= 20+16= 96-36= 33+40= 44+18= 73+26= 86-63= 90-89= 43-24= 41-11= 24+48= 35-28= 75-42= 54-45= 37+14= 79-12= 93-11= 88-76= 26+35= 50-20= 29+14= 90-84= 65+26= 46...