二年级两位数笔算72-46+38=65-38+26=79+16-56=56+44-26=55-36+27=4+27-16=84-27+16=68+23-29=69+(54-36)=74-26+32=61-38+26=66-(42-25)=69+19-39=16+77-26=73-36+27=82-27+16=30+(53-29)=70-23-9=(39-23)=71-(43-24)=91-46+38=65-39+26=47+46-56=56+34-26=56-37+29=94-29+96=30-(43-29)=92-(43-18)91-23+24=33-(31-23)=96-47+32=66-39+26=47+35-56=56-29+46=36+59-26=43-36+29=(23+29)=23+29+39=90-(71-23)=91-(95-29)=55-46+22=65-28+26=58+18-58=56+54-26=58-26+25=29+22+49=84-25+16=47+25-16=(81-22)=48+(42-24)=55-56+22=16+55-26=61-28+38=58+18-29=43-26+25=82-25+16=20+(52-28)=51-(43-24)=51-28-14=82-(51-22)=82-46+27=65-28+26=18+77-56=84-28+86=56+34-26=56-29+28=20-(42-28)=81-23+24=72-(40-22)=86-(42-24)=81-46+28=61-28+29=81+19-86=86-28-29=88-26+28=26+28+49=85-28+46=91-(26+28)=82-(28-22)=49+(87-28)=63-38+26=79+19-36=36+74-26=71-46+38=63-36+27=84-27+16=4+27-16=59+(41-24)59+23-17=62-(41-23)=92-76+32=61-38+28=79+19-19=82-27+16=16+77-26=18-36+27=30+(23-29)=73-23-4=93-(39-23)=63-39+26=
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