100以内加减法进退位竖式计算740题40-15=41+29=41-23=33-19=33+19=45-16=45+16=17+28=53+39=28+35=94-16=35-28=53-36=28-19=44-16=44+16=38+36=42-33=42+33=25+46=46-29=50-35=55+35=49+36=55+45=49+49=36+36=25+25=48+48=42-39=42+39=39+39=45+16=33+19=46-29=55+35=42-39=42+39=38+36=41-23=40-15=53+39=94-16=53-36=44-16=39+39=25+25=49+49=45-16=33-19=41+29=17+28=28+35=35-28=28-9=44+16=43-36=50-35=25+46=42-33=55+45=36+36=42+39=48+48=45+45=33+48=32+48=41-32=18+22=33-18=33+18=45+26=45-26=43-16=43+18=35-17=35+17=41-22=48+22=30-18=34+18=67+25=63-25=45+55=49-38=49+38=52-26=52-26=49+29=40-29=28+28=38+46=49+25=49-25=28+64=64-28=45-8=45+8=36+6=47-9=21-12=13-25=25-18=50-36=35+46=46-37=48-9=48+9=39-17=39+17=28+56=56-28=30-12=27+13=27-18=85-77=98-69=63-15=63+17=85-47=45+45=35+47=38+43=43-37=18+22=33-18=33+18=45+26=45-26=43-16=46+16=35