二年级加减混合运算口算练习.doc

627+25= 2314-15=2536+19=3819-64413+383917+492933-284526-161611+485436-255718+254421+125436-112933+264526+2=2823+814638+4559-31+48= 97-5425 6960+875527+323928-1715+737100-6546107-5726 7419-37749+7 7015-33 5337+21 17+6427876-45 3216+254239+193716+13 3527+676737+259634+114927+317716-1798-551623+25175016+466438+459038-135924-375536+184338-377318-556347+246525-316021+36100-35185428-226718-339035-197426-175912+139426-331219+579054-3795-4227100-642618+71495317+412575-66878-478329-32=3647-675229+377316+402837+315335+644329+7179-25+1240+11+249582+221348+114635-3152+5+19= 10+26+38= 18+37+45= 14+45+34= 98-34-48= 80-41-25= 68-21-40= 86-29-13=65+28-46= 85-70+16= 60-13+27= 68-35+49=35+18+26=28+34+16=28+56-38=26+64-25=32+48-64=94-58-14=58-26-14=38-16-11=28+65-36=56-18+27=81-15-28=26+56-34=25+48-37=32-17+67=56-8+15=45-17-16=72-18+19=75+16-68=48+16-25=15+65-28=32+35+14=25+67-58=28-14+69=32-28+45=56-18-18=36-28+54=56-45+28=32+64-65=45+17-29=26-19+68=58-46-11=59+18-65=28+14+18=32+64-25=32-16-14=69+24-62=24+25+28=24+26+39=32-17+59=32+54-69=27+29+26=32+41-29=25+28+19=12+39+27=26+38+17=23-19+64=21+36+24=98-62-14=36+58-14=25+39+34=32-16-11=18+19+17=16+19+34=32+65-48=58+14+13=25+24+36=36+29+17=12+18+37=52-18-16=52+31-65=32+65-87=100-25-36=36-25+68=25+69-28=32+69-12=23+45+13=15+16+19=25+64-35=14+15+19=25-14+68=69-58+37=45+12+18=28+36+24=68-12-16=12+18+64=25+25+25=36+36-25=21+21-40=25+28+29=26+34+14=45+45-68=32+32+3