1、v竖式计算注意进位的1注意退位的点28+34+23=25+34+30=45+36+18=24+51+15=46+25+17=19+40+30=30+5+64=45+9+36=37+28+19=24+45+30=55+30+8=21+30+39=54+20+16=48+36+5=15+39+36=51+37+9=7+59+20=17+18+64=51+30+9=28+29+26=19+55+25=24+48+17=24+21+45=26+40+8=39+8-20=竖式计算85-40-26=注意进位的181-7-70=注意退位的点67-25+28=90-58-24=67-25-28=56+34-2
2、0=72-6-40=70-23-35=78-24+39=56-12-17=78-24-39=70-23+45=40-23-12=98-28-9=37+10-5=36-4-32=71-26-7=74+6-80=56+8-20=18+8-20=69+30-45=26+40-8=65+18-39=竖式计算注意进位的1注意退位的点45-9+15=96-60+24=27+50-9=20+34-49=71-65+43=28+43-24=17+6-8=75+9-73=24+51-19=23+41-39=43-8+30=28+4-24=30-21+39=98-37+16=50+27-9=70-4+18=45+
3、36-9=90-11+32=42-8+35=7+26-18=35-16+39=31+52-17=46-39+7=82-7+13=v竖式计算注意进位的1注意退位的点28+34+23=25+34+30=45+36+18=24+51+15=46+25+17=19+40+30=30+5+64=45+9+36=37+28+19=24+45+30=55+30+8=21+30+39=54+20+16=48+36+5=15+39+36=51+37+9=7+59+20=17+18+64=51+30+9=28+29+26=19+55+25=24+48+17=24+21+45=26+40+8=39+8-20=竖式计
4、算85-40-26=注意进位的181-7-70=注意退位的点67-25+28=90-58-24=67-25-28=56+34-20=72-6-40=70-23-35=78-24+39=56-12-17=78-24-39=70-23+45=40-23-12=98-28-9=37+10-5=36-4-32=71-26-7=74+6-80=56+8-20=18+8-20=69+30-45=26+40-8=65+18-39=竖式计算注意进位的1注意退位的点45-9+15=96-60+24=27+50-9=20+34-49=71-65+43=28+43-24=17+6-8=75+9-73=24+51-19=23+41-39=43-8+30=28+4-24=30-21+39=98-37+16=50+27-9=70-4+18=45+36-9=90-11+32=42-8+35=7+26-18=35-16+39=31+52-17=46-39+7=82-7+13=
