二年级上连加连:数学练习题TTAstandardizationoffice【TTA5AB-TTAK08-TTA2C】82-33+36=56-38+28=47+19-38=46-19+27=76-18+8=?36+27+26=25+8+46=55+17-67=?45-16+39=?42-19+36=?74-18-27=38-16+17=?34+58-17=53+16-18=43-25+14=36-27+73=32+22+18=100-17-44=?52+16-59=52-34-17=61-39+25=?32-17+62=91-17-29=36+16+37=91-25+36=40+13+63=?67-28+17=7829+18=?84+9-26=?29+35+28=45+9+36=72-17+34=58-29+36=?47-18+48=47+29-18=76-19-18=?76-38+58=46+27-36=?75-26+47=?45+8+37=75+17-87=35-16+18=42-29+26=?74-68+17=64-17+12=?68-36-18=24+58-17=?53-39+27=43+28-23=56+17+8=53+36-18=63-25+17=?73+24-18=56-27+36=22+28-17=?82-3+27=83-49+17=?42-37+30=68-39-18=27+16-23=47+28-17=83+37-18=62-49+54=67+29-38=46+27-18=?62-34+41=?84-29-24=?42+59-18=62-35+13=79-28+34=53-35+17=?63-49+12=26+17-18=52-17+19=?66-48-13=?63+34-13=64-45+36=?91-37-23=?85-56-14=72+18-23=32+19+36=?36+26-18=?85+7-34=45-36+26=60-37+8=?81-35-16=72-39+36=?42+13-2172+26-13=77-28+3678-39+36=?52-37-13=84+19-81=?54-35+36=?74-37-25=39+35-23=68-57+36=89-37-23=?35+19-17=?74+18+8=?51-39+17=54-45+23=59+19-17=52-27+36=35+27-23=55-47+22=?63-27-13=?84-48+17=?73+29-45=?63+37-17=?40-29+36=48+48-23=?56-27-17=61-26-23=12+59-23=?48+23-17=?60+25-17=?98-56-18=57-48+36=?72-45+17=35+17-13=46-38+8=?60-38-13=?54+29-17=?56-28-17=?36-25+17=62+19-18=86-58-13=?47+19+36=?78-69-13=?42-16+36=?42-17+41=72-37-23=86-54+16=53+28-18=42-19+17=54+28-13=96-59-18=75-59-18=?27+36-17=75+17-33=65-36-18=?54+37-32=?24+38+36=?42-23-17=52+23-28=63-37-13=?44+39-17=?70+19-23=16+23-13=57-16+36=35+17-15=22-19+22 二?46-28+22=48-19+2=86-45+24 二?70-42+24=?72-54+55=16+27-26=43-19+42=?63+25+22=40-12-27=?89-56-31=76-37+14=?54-19+28=79-64+12=98-48+21=?64-19+22=?75-55+44=?56-36-15=67-60+56=85-50+29=...