一年级数学竖式计算说课讲解

1、一年级数学竖式计算65+27=36+54=25+33=48+35=57-32=18+32=19+63=85-36=75-43=66-47=15+35=19+38=66-32=75+43=83+11=85-36=54+12=35-17=64-36=19+15=54+26=22+34=78-29=56-27=38-29=65+32=58+35=19+28=34+56=60-19=27+34=35+26=42+51=17+33=19+28=66-57=80-19=70-15=66-49=52-47=35+21=48+36=45-28=66-39=78-56=66+25=59+31=45-36=88-

2、49=31+35=47+34=25+38=64-5=7+24=65-18=32-19=15+39=95-56=62+33=57-28=25+46=75-26=57-28=54+27=32+49=85-37=76-48=72-13=6+36=81-4=56-27=64-18=97-92=51+29=43-8=55-28=65-29=49+25=76-29=66-27=34+56=76-9=43-38=62-46=36-24=95-39=32+59=45+35=55-46=62-36=8+72=54+46=92-35=82-37=86-49=43-3=4+26=75-35=51+27=64+38=

3、85-37=84-36=55-29=74+21=65+38=77+21=54-39=18+27=35+71=100-52=62+17=56+32=48-29=18+24=37+50=69-29=71-25=68-29=77-48=56+31=57+19=26+32=37+46=17+64=30+59=54+13=44-18=59-32=65-47=36-15=88+34=65+26=85-73=96-29=48-35=69-21=71-23=51-29=54-35=52-28=31-29=57-34=68+36=59+24=77-49=52-34=50-35=47+25=36+24=75-25

4、=27+35=38+47=65-32=77-46=72-31=25+36=48+36=55+36=76-39=84-57=96-58=92-78=95-39=55+27=65+38=77+32=85-18=77-19=23+63=28+19=35-19=46+27=18+36=27+14=58-19=52-38=45-19=58-39=52-37=66-34=102-78=111+24=35+74=36+82=45+19=37+25=54-26=35-18=44-17=32+66=25+36=78+14=54-36=58+27=100-36=15+37=24+35=36+18=27+15=34

5、+19=82-18=47-19=55-28=67-24=66-37=51-16=41-24=36-19=43-25=31-16=28+25=32+19=36-17=25+19=28+67=34+18=34+17=46+27=45+38=55-36=52+29=41-25=31-26=30-12=48+39=55-26=19+38=25+62=77-58=85-39=75-36=77-29=52-36=58-17=66-37=62+24=52+27=25+79=35+29=36+18=28+55=32-19=36+27=45+19=29+17=34+58=34-17=46-27=45+58=55+36=54+29=41+25=35+26=30+19=48-19=55+36=19+