人教版二年级上100以内的加减法及混合练习题12+29-19=69+10-36=27+12-28=67+27-37=33-17+15=75-36+10=72-54+12=65-39-15=62-18+24=54+21+18=53-29+19=35+12-28=86-12-15=57-33+31=36-27+9=77-19-16=88-34+18=85-36+27=12+79-62=51-27+28=51-42+53=77-65-6=71-52+36=75-24+26=75+24-23=32+45-38=81-45+36=24-16+40=63+12-42=53-37+15=63-23+28=48-26+18=21+82-60=36+34-14=73+12-71=21+82-60=44-5+12=100-76+22=72-45+32=54-21-18=67-47+22=21+82+17=83-27+10=54+21-18=65-33-18=68-65-3=54-52+17=88-51-24=76-63+1=63+18+11=65+15-47=77-34+55=43-29+13=85-28-28=77-38+42=60-34+35=17+27-10=55+38-15=54-41+36=99-88+77=75+15-30=92-6+11=42-37+54=77-64+22=63+12-42=53-37+15=68-7-32=97-7-25=89-59-27=33-9-12=79-19-38=68-8-37=97-60-19=58-6-19=97-15-63=81-16-3=95-6-62=92-17-71=50-22-10=92-81-6=54-30-20=78-3-37=61-8-18=91-43-47=45-31-1=82-63-1=68-5-46=78-34-14=86-2