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1、()-14=47-()=0()-16=013-()=8()-7=56-()=25-()=0()-9=108-()=617-()=123-()=1()-1=17()-13=5()-4=1()-6=13()-5=1320-()=1419-()=126-()=115-()=720-()=1119-()=18()-12=113-()=317-()=218-()=2()-6=0()-4=34-()=33-()=218-()=6()-4=4()-3=39-()二6()-5=918-()=16()-7=1119-()二4()-10=215-()二819-()二916-()=1020-()=1211-()二6
2、17-()=016-()=14()-1=1211-()二59-()=89-()=018-()=1414-()二4()-3=1716-()二8()-7=7()-11=9()-15=319-()=6()-3=9()-5=1020-()=4()-13=412-()=019-()=38-()=7()-2=3()-8=512-()=711-()=9()-9=3()-2=418-()=15()-4=5()-1=15()-6=615-()=4()-14=1()-6=12()-14=219-()=14()-12=5()-2=1311-()=115-()=11()-7=132-()=07-()=5()-3二72
3、0-()=09-()=416-()二411-()二2()-4=1214-()=610-()=011-()=1017-()=14()-3二517-()=15()-5=1516-()二613-()=0()-13=220-()二5()-11=5()-9=79-()=3()-7=317-()=16()-9=4()-4=9()-108()-13=1()-9=620以内减法口算练习题填空型时间:错误率:16-()=1119-()=17()-7=1()-19=017-()=9()-4=819-()=112-()=1()-14=5()-3=1119-()=1510-()=2()-8=106-()=5()-2=
4、1020-()=16()-8=0()-7=217-()=8()-9=916-()=13()-18=1()-11=711-()=712-()=418-()=0()-2=7()-16=1()-5=212-()=11()-9二1()-10=10()-7=44-()二2()-11=3()-6=410-()=5()-3=8()-15=0()-11=61-()=0()-2=1815-()二911-()二3()-2=1217-()=1116-()二3()-4=6()-6=77-()=6()-10=514-()二2()-12=720-()=7()-18=2()-1=415-()=3()-11=010-()=9
5、()-17=312-()=1()-4=014-()=0()-2=11()-14=6()-1=19()-2=8()-6=2()-11=2()-3=417-()=3()-1=13()-5=3()-10=7()-17=2()-3=24-()=1()-1=14()-7=6()-15=117-()=10()-3=020-()=813-()=1016-()=914-()=10()-19=1()-6=8()-11=87-()=1()-3=12()-4=13()-3=169-()=114-()=5()-17=118-()二4()-7=0()-16=0()-5=812-()二5()-4=25-()=0()-9=
6、108-()=6()-5=12()-2=1()-1=1718-()二5()-4=119-()=13()-5=13()-6=1419-()=12()-5=115-()=7()-9=11()-1=1813-()=1()-10=3()-15=2()-16=2()-6=07-()=34-()=3()-1=218-()=6()-4=4()-3=39-()=6()-5=918-()=1618-()=11()-15=412-()=2()-7=819-()=9()-6=1020-()=1211-()二617-()=016-()=1413-()=12()-6=5()-1=8()-9=0()-4二14()-10=
7、4()-3=17()-8=8()-7=7()-11=9()-15=319-()二6()-3=9()-5=1020-()二417-()二4()-12=019-()二3()-1=75-()=313-()=512-()=711-()=912-()二3()-2=418-()=15()-4二5()-1=1512-()二615-()=415-()=1()-6=1216-()=219-()=14()-12=5()-2=13()-10=1()-4=1120-()=13()-2=0()-2=510-()=720-()=09-()=4()-12=4()-9=2()-4=1214-()=610-()=011-()=
8、10()-3=148-()=5()-2=1520-()=15()-10=613-()=015-()=2()-15=516-()=5()-9二79-()二310-()=317-()=16()-9=4()-4=9()-10=814-()=1()-9=616-()=1119-()二17()-7=119-()=017-()二912-()=8()-8=11()-1=119-()=5()-3=11()-4=15()-8=2()-8=10()-1=512-()=10()-4=16()-8=0()-7=220以内减法口算练习题填空型时间:错误率:()-9=818-()=916-()=1319-()=1()-1
9、1=7()-4=7()-8二418-()=09-()=717-()=17-()=2()-1=11()-9=120-()=1011-()=44-()=214-()=3()-6=410-()=511-()=815-()=017-()=6()-1=0()-2=18()-6=9()-8=3()-2=1217-()=11()-13=3()-4=613-()二77-()=615-()二514-()二2()-12=7()-13=720-()=2()-1=4()-12=311-()=0()-1=9()-17=312-()=1()-4=014-()=0()-2=11()-14=620-()=1910-()=8(
10、)-6=213-()=27-()二417-()二3()-1=13()-5二317-()=7()-17=220以内减法口算练习题填空型时间:错误率:()-3=2()-3=115-()=1413-()=616-()=1()-7=10()-3=020-()=8()-3=10()-7=914-()=1020-()=1()-6二8()-11=87-()=115-()=12()-4=13()3=16()-8=114-()=5()-17=118-()=4()-7=0()-16=013-()=8()-7=5()-4=2()-5=0()-9=108-()=617-()=123-()=1()-1=1718-()二55-()=119-()=13()-5=1320-()=14()7=126-()=115-()二7()-9=1119-()=18()-12=1()10=3()-15=218-()二2()-6二0()-4=3()-1=33-()=218-()二68-()二46-()二39-()二6()-5=9()-2=16()-7=1119-()=4()-10=215-()=8()-