两位数加减两位数口算.doc

二年级口算练习 姓名 21+18= 21+27= 21+19= 21-11= 19+19=19+20= 19+28= 17+26= 17+30= 17+33=16+40= 16+39= 16-14= 15+34= 15+29=11+38= 49-40= 49-19= 49+11= 48-41=48-19= 48-17= 48-23= 47+12= 47+30=47-13= 47-39= 46+23= 46-18= 46-11=46+20= 45+14= 45-13= 45+11= 45-22=44+26= 44+16= 44-16= 44-24= 44-30=44-37= 44-25= 44+23= 43-29= 43+48=42-17= 42+18= 42-20= 42-41= 42-37=32+16= 35+16= 36+24= 25+49= 38+21=46+23= 36+18= 66+16= 38+28= 24+42=76+13= 37+17= 25+46= 28+51= 56+18=23+59= 17+66= 73+9= 34+29= 46+27=62+25= 17+26= 21+29= 48+52= 38+38=25+9= 54+19= 23+29= 35+28= 52-22=72-48= 81-28= 68-35= 52-15= 79-45=98-26= 60-23= 50-42= 86-35= 37-18=92-47= 65-26= 72-15= 80-42= 81-36=64-35= 98-75= 45-36= 54-8= 64-48=