一年级和二年级上册数学口算题 33+47= 88-1= 64+24= 39+58= 79-3= 54+1= 69+30= 20+35= 2+57= 17-2= 80+8= 69-4= 35-5= 24+13= 47+8= 6+22= 80+5= 5+25= 11-2= 24+1= 26+14= 8+79= 52+31= 60+7= 26+69= 1+7= 61+32= 19+73= 3+79= 43-6= 35+1= 5+59= 22+30= 36+13= 43+48= 1+74= 6+18= 50-7= 13-9= 53+40= 19+3= 16+18= 7+77= 1+11= 25+42= 49+2= 91+1= 39+53= 70+8= 17-9= 40+57= 39+7= 69+26= 14+74= 27+25= 6+25= 44+12= 22-1= 80+20= 8+57= 7+47= 79-6= 1+26= 14+26= 17+29= 15+40= 41+17= 77-1= 50+50= 19+75= 38+28= 66+12= 本文来源：https://www.wddqw.com/doc/232a7642322b3169a45177232f60ddccdb38e64b.html