20以內(nèi)連減單元自測練習題姓名：班級：日期：用時：分鐘得分：17-7-1=20-10-2=8-2-4=16-1-7=8-3-3=18-12-4=10-2-1=14-2-3=18-14-1=10-8-2=15-5-3=3-1-1=14-9-1=4-1-1=17-14-2=19-14-3=19-14-5=18-3-2=4-2-2=3-1-1=10-2-5=7-4-3=10-7-2=3-1-2=17-13-1=7-1-1=8-2-5=3-1-2=16-10-6=12-8-3=20-17-1=3-1-2=10-5-3=14-4-7=18-15-2=7-3-2=4-1-1=12-6-6=12-2-6=9-3-3=13-3-4=12-7-5=3-1-2=4-1-3=3-1-1=8-3-4=5-1-4=14-10-2=12-10-2=8-1-6=17-7-4=19-16-1=9-6-1=15-7-2=7-5-2=20-10-6=4-2-2=9-1-7=17-5-7=9-6-2=16-4-5=5-2-2=4-1-2=17-6-5=16-2-14=9-7-2=12-1-4=6-4-1=4-1-1=8-4-3=3-1-1=20-14-5=9-3-5=9-6-1=8-1-3=14-12-1=9-5-1=19-17-2=13-10-1=4-1-1=19-14-4=3-1-1=13-5-4=7-1-2=3-1-2=19-9-6=9-4-5=4-1-3=7-2-3=13-11-2=5-2-1=5-3-1=3-1-1=15-7-1=8-3-1=18-12-1=9-7-1=5-2-1=13-7-3=19-8-8=10-3-4=18-14-1=5-2-3=20-5-3=20-8-10=19-17-1=9-3-3=9-1-7=8-1-3=16-6-2=4-2-2=6-3-2=11-4-7=10-4-5=11-1-4=7-1-2=7-2-3=4-1-2=17-11-3=14-10-1=6-1-3=8-4-3=19-10-5=8-2-3=6-1-1=5-3-2=18-1-2=19-11-4=4-2-1=4-2-1=12-4-2=15-12-3=18-2-14=13-8-4=19-13-3=20-9-1=14-2-3=15-3-11=19-7-3=16-5-4=3-1-1=8-1-5=5-1-4=5-2-3=4-1-3=3-1-1=8-4-3=4-1-1=4-1-1=13-7-2=6-4-1=12-3-7=3-1-2=6-3-1=6-2-2=14-1-13=20-10-4=5-2-3=15-8-2=20-16-3=19-10-8=16-4-12=17-11-2=19-16-2=16-14-1=16-12-2=18-16-2=15-12-2=8-3-1=14-4-6=12-2-3=12-3-1=5-3-1=8-1-6=10-4-5=17-1-5=19-5-1=16-12-4=11-2-6=5-1-1=5-2-2=20-5-12=10-6-3=12-9-2=4-1-3=15-7-8=10-5-1=19-14-4=8-5-3=12-10-1=8-6-1=6-3-1=7-5-2=17-1-13=15-12-3=3-1-2=3-1-2=14-1-12=8-6-1=20-7-10=9-3-3=5-3-1=3-1-1=6-4-2=6-4-2=13-2-8=7-1-3=13-10-3=14-8-6=10-3-5=5-2-3=4-1-3=15-13-2=11-5-6=11-2-1=11-5-5=12-4-6=6-2-1=19-6-11=13-6-1=18-5-9=20-8-4=11-4-4=18-13-4=13-4-7=5-1-3=14-9-4=15-13-2=14-10-1=18-1-16=6-2-4=13-2-7=17-3-11=20-16-3=17-13-4=12-5-6=6-4-2=15-2-3=8-1-2=18-3-11=14-8-5=9-4-3=17-12-4=19-12-2=18-3-11=9-6-2=20-17-2=9-5-2=11-6-3=7-2-3=10-5-2=19-14-1=9-2-7=17-4-6=17-14-1=9-4-3=7-3-2=7-2-5=4-1-2=14-1-10=9-2-2=17-10-7=3-1-2=18-5-2=14-1-11=8-6-2=4-2-1=19-11-7=20-10-5=10-2-7=7-1-6=10-7-3=19-12-5=6-2-2=18-3-13=12-3-6=8-1-4=8-1-6=16-11-1=8-1-1=16-14-1=6-4-2=13-1-12=8-6-1=9-4-3=7-4-2=5-3-1=3-1-2=16-14-2=3-1-2=13-1-9=12-1-7=18-13-4=4-2-2=17-14-2=10-8-2=3-1-1=15-8-4=16-5-9=3-1-1=13-3-4=20-1-5=20-3-7=12-9-1=18-5-12=5-3-2=16-9-7=11-3-3=5-3-2=14-1-6=16-7-5=10-3-3=14-4-9=7-2-3=19-5-1=7-5-2=17-9-6=20-5-5=18-1-5=10-1-3=9-2-7=6-3-3=10-2-3=17-10-5=10-8-2=18-12-3=10-2-6=16-3-2=8-2-4=16-5-7=20-10-7=5-1-2=9-2-5=6-3-3=9-7-2=15-6-4=17-3-12=4-1-2=3-1-1=13-6-3=13-11-1=17-12-1=16-13-1=19-16-3=17-14-1=20-6-2=9-6-3=15-2-4=20-2-11=18-9-7=10-8-2=7-1-5=15-11-3=3-1-2=15-5-10=9-4-1=8-1-1=14-2-11=6-3-2=8-6-1=15-5-9=7-4-1=13-2-8=4-2-2=16-8-7=7-3-4=18-11-4=19-16-1=9-6-2=5-3-1=6-1-5=20-7-7=4-1-1=16-9-3=19-14-2=6-2-2=12-4-1=6-4-1=11-8-1=10-6-2=6-1-1=15-2-10=6-3-1=8-5-1=16-12-2=15-13-1=7-1-1=20-14-6=17-13-4=17-9-1=14-2-8=10-3-2=7-4-1=19-10-4=9-2-4=13-7-4=9-7-2=3-1-2=17-1-14=16-13-3=13-1-1=11-3-8=12-4-4=14-1-11=3-1-2=14-9-3=18-5-5=9-4-2=7-2-5=16-11-1=16-12-1=16-2-10=6-4-2=19-15-1=13-1-12=4-1-3=5-2-2=8-2-4=14-5-1=12-3-5=20-17-2=17-7-9=13-9-2=12-3-4=13-6-5=10-7-1=8-1-5=13-9-4=16-12-2=17-8-2=3-1-2=10-2-7=14-3-8=17-12-3=7-4-1=9-4-4=18-6-1=9-4-3=16-5-8=20-17-1=18-6-4=9-1-1=10-2-1=9-6-1=15-4-9=17-5-9=11-1-6=16-7-3=20-13-2=20-12-7=12-1-10=14-8-5=17-3-12=6-4-2=11-2-7=8-2-1=10-3-3=17-13-4=20-9-8=14-10-1=15-4-8=13-11-2=4-2-1=8-4-2=20-5-10=5-3-1=16-8-1=19-12-3=5-1-3=7-5-2=19-9-2=9-4-3=4-1-3=7-1-4=3-1-2=15-6-7=4-2-2=20-4-1=7-2-4=9-3-2=18-11-5=13-6-3=14-12-2=5-3-2=18-3-8=19-12-7=16-7-1=10-2-4=4-2-2=4-1-2=4-2-2=16-2-13=10-4-4=15-7-7=8-1-6=10-5-1=19-15-3=6-3-1=6-2-2=7-5-1=15-9-6=13-9-1=10-3-6=4-2-2=10-3-1=7-5-1=8-3-5=15-6-4=11-8-2=18-7-3=11-1-2=16-12-4=8-4-1=7-1-4=13-10-3=5-2-2=13-10-1=13-10-3=13-6-5=20-10-8=13-7-2=7-5-2=10-2-7=9-2-3=17-7-8=9-6-1=9-1-8=11-7-2=4-1-3=12-7-4=4-1-3=10-7-3=6-3-1=17-7-8=16-3-4=10-2-8=10-8-1=7-4-2=9-2-3=8-5-2=17-9-2=5-2-2=16-10-3=15-11-2=19-6-5=6-4-2=8-5-3=15-7-7=11-1-2=17-10-7=5-2-3=5-2-1=14-5-5=6-1-4=4-2-2=9-3-1=13-7-4=17-10-1=20-12-1=9-4-1=16-1-6=11-9-2=13-2-7=15-2-5=15-9-2=19-14-1=4-2-1=17-6-4=20-5-5=11-5-2=19-11-8=11-3-3=13-11-1=18-12-4=7-2-2=19-11-3=7-3-1=18-10-4=8-6-2=4-1-1=9-5-3=4-1-3=13-9-4=13-11-2=11-1-8=9-1-5=18-1-12=12-7-4=15-9-2=16-4-3=17-3-4=4-2-1=8-3-4=18-7-11=7-1-3=6-4-1=3-1-1=5-1-1=6-1-1=4-2-2=13-1-12=10-1-7=13-2-11=17-3-12=4-2-1=5-3-1=20-17-3=20-8-4=19-13-4=15-4-2=18-8-7=12-3-2=5-1-1=15-1-14=5-2-2=11-9-2=8-2-1=8-2-1=13-6-6=6-1-5=17-1-6=14-1-6=7-5-2=5-2-1=6-1-2=20-8-1=10-6-1=14-9-2=3-1-2=12-5-1=12-2-1=20-7-4=16-11-2=14-7-6=12-1-6=17-9-8=6-3-1=15-1-9=13-5-7=13-8-1=7-4-1=10-4-3=16-6-10=18-11-2=19-13-6=3-1-1=18-13-1=4-1-2=17-15-1=6-4-2=8-6-1=3-1-2=4-1-2=6-4-1=5-2-3=17-12-4=4-2-1=14-2-4=14-1-12=18-11-4=7-4-1=9-2-6=11-7-2=14-4-8=8-5-1=6-3-3=15-1-2=19-1-7=4-2-2=8-4-3=9-6-2=15-5-9=16-2-12=8-3-5=14-8-2=3-1-2=12-7-1=15-1-5=19-7-10=17-5-9=8-1-2=10-5-5=12-8-3=17-15-1=16-9-6=13-11-2=20-13-1=16-1-6=19-9-9=3-1-1=20-2-4=16-13-1=14-4-4=14-10-2=17-5-11=14-6-6=11-8-2=14-8-1=9-4-3=9-7-2=15-8-7=12-1-6=12-6-5=17-9-5=19-7-1=20-2-9=3-1-1=11-5-4=6-4-1=4-2-2=3-1-1=11-4-4=17-2-14=5-3-1=8-2-3=10-2-2=8-4-3=17-7-1=13-4-4=14-1-4=12-10-1=4-1-2=10-7-1=13-6-2=20-8-5=4-1-3=8-4-4=4-2-2=17-13-1=6-1-5=4-2-1=5-2-2=4-2-1=20-1-17=12-2-8=4-1-1=6-3-3=10-7-2=10-3-4=7-3-3=10-8-1=8-6-2=18-9-8=3-1-2=20-12-7=9-2-7=4-1-1=12-8-1=9-3-6=20-1-16=14-3-5=15-13-1=19-13-2=3-1-1=4-2-2=19-9-8=7-5-2=13-1-11=3-1-2=13-5-3=10-8-2=20-3-3=13-3-5=6-3-3=9-7-2=6-4-2=12-8-1=3-1-2=12-7-2=15-1-14=16-10-4=13-2-11=9-5-4=13-4-7=13-9-3=14-12-2=15-6-1=20-11-3=10-2-7=8-4-4=13-11-2=14-3-9=15-5-6=10-1-7=19-3-11=18-10-2=6-2-3=12-2-2=16-6-9=5-3-2=19-9-1=7-2-3=19-8-4=9-2-3=19-5-12=11-5-4=14-7-3=6-3-1=12-3-5=13-5-7=13-2-5=6-3-1=9-4-2=6-1-4=18-5-11=12-4-6=8-5-2=4-1-2=8-6-1=7-5-2=20-13-4=19-9-4=8-5-1=5-2-2=20-10-8=7-5-2=6-4-2=5-1-3=9-1-2=17-12-5=16-11-4=14-10-3=12-10-2=11-1-8=3-1-2=11-4-4=13-7-5=4-2-1=10-1-1=7-5-1=11-5-2=13-6-4=14-6-5=9-7-2=16-6-1=6-4-2=15-4-3=12-6-1=3-1-1=9-4-3=10-6-2=13-1-12=18-2-6=8-5-3=10-2-5=20-8-10=3-1-2=13-6-5=6-1-1=8-2-3=12-1-11=6-3-1=16-1-12=4-2-1=3-1-1=19-12-2=3-1-1=11-1-9=8-5-1=14-2-11=3-1-1=10-1-7=20-5-1=19-11-5=5-2-1=14-11-3=13-1-8=13-1-5=5-1-3=9-7-1=11-3-4=3-1-2=9-7-2=10-5-5=14-3-1=12-1-10=12-4-8=20-8-10=5-1-2=16-13-1=9-7-1=20-8-8=18-13-2=4-2-2=15-2-11=18-12-5=10-7-1=1