20以内退位减法口算题.doc

14-7= 12-6= 11-6= 6+7= 17-9= 7+8= 16-9= 15-8= 17-8= 6+9= 14-9= 13-7= 11-9= 14-6= 15-6= 17-8= 11-7= 11+2=8+6= 13-6= 15-4=15-8=13-9= 12-6= 16-7= 11-9= 14-3= 14-7= 16-8= 11-3= 18-7= 12-8= 13-6= 18-9= 8+6= 17-8= 13-2=11-5= 16-7= 5+6= 12-6= 11-6= 14-6= 1512-5= 14-8= 12-8=13-7=16-7=15-6=12-5=11-9=17-8=16-8=14-7=12-4=13-5=11-8=14-8=13-9=15-6=15-9=16-8=16-7=15-9=12-7=12-6=12-( )=9 11-8= 15-( )=7 12-( )=3 17-( )=913-5= ( )-6=7 12-( )=5 13-( )=8 ( )-7=714-( )=6 15-( )=9 11-( )=7 17-( )=8( )-5=7 13-( )=7 13-( )=5 15-( )=812-( )=917-( )=7 12-( )=6 16-( )=9 ( )-4=718-7= ( )-6=5 14-( )=6 159=126=179=189=112=169=168= 123= 156= 146= 136= 134=159=138= 158=157= 137=128=149=178= 126=127=124=148=139=118=129=114= 116=147=117=113=149=126=127=178= 124=167=118=148=129=167=147=128=128=159=147=113=146= 124=146= 178= 138= 204=138= 156= 157= 156= 159=159=178= 159=147=138= 148=112=159=124=114= 157= 113=157= 178= 127=124=124=148=118=129=147=127=114= 113=124=118=129=124= 158=147=156= 129=149=159=128=124=207=128=146= 128=146= 138= 128=146= 138= 157= 146= 138= 157= 138= 207=129=159=14-5=15-8=12-4=9+8=4+9=5+6=14-7=16-8=19-8=13-5=7+6=11-4=13-4=14-9=12-6=16-9=7+8=15-6=9+9=7+9=12-8=11-2=18-9=11-5=13-9=11-6=3+8=13-6=5+8=12-3=11-8=1481281894+7=6+6=9+2=12-5=15-7=1491698+6=4+8=13715911-3=17-8=11912717-9=7+7=14-6=1299+9=16-7=13-9=5+7=13-9=11-5=8+8=8+4=15-8=15-9=1481281894+7=6+6=9+2=12-5=15-7=1491698+6=4+8=13715911-3=17-8=11912717-9=7+7=14-6=1299+9=16-7=13-9=5+7=13-9=11-5=8+8=8+4=15-8=15-9=15-9=14-5=15-8=12-4=138= 148=112=159=124=114= 205=157= 209=113=157= 178= 127=124=124=148=118=129=205=124=114= 157= 113=157= 178= 148128189147=149169186=148=179=128=112=189=115=139=116=138=136=158=123=118=119127179=157=166=199=125=187=148128189149=189=149=156=147=168=198=135=1710=114=134=149=159=169=178=156=189=149169176=148=137159113=178=127=124=124=148=156=192=125=157=146=129179=167=138= 148=122=159=189=149=156=117=118127179=177=147=129137=167=139=157=139=115=188=184=158=156=137159113=178=118=129=148=126=179=189=112=169=168= 123= 156= 1