一年級數(shù)學20以內(nèi)連減競賽練習題姓名：班級：日期：用時：分鐘得分：14-5-4=20-14-5=4-1-3=11-3-6=15-1-12=12-10-1=10-1-3=17-1-16=7-4-1=16-3-12=18-8-5=9-3-4=13-9-2=15-10-5=15-5-7=16-12-4=12-2-7=13-5-4=4-2-1=13-8-4=15-5-10=4-1-3=10-5-5=9-4-5=13-2-6=12-9-3=15-2-3=12-6-6=9-5-3=18-8-2=5-2-3=4-1-2=18-1-6=11-1-8=18-6-9=18-11-4=14-8-2=4-2-2=12-10-2=17-4-10=13-4-5=18-11-7=18-4-6=4-2-1=6-2-2=13-2-1=15-11-1=17-8-3=20-6-14=5-3-1=7-1-1=17-12-5=5-1-4=8-4-3=8-3-5=9-7-2=19-11-2=19-12-7=19-11-6=13-11-2=10-7-1=15-2-5=3-1-2=14-3-5=16-1-13=9-2-6=6-1-1=16-8-3=7-5-2=15-11-1=14-8-6=16-3-3=5-1-1=17-14-1=18-16-2=11-6-2=4-1-1=12-5-3=15-7-7=13-2-6=18-9-2=9-2-5=14-1-4=12-10-2=12-7-4=5-3-2=17-15-1=4-2-1=15-13-1=9-3-5=4-2-1=8-2-5=8-5-2=9-7-2=15-4-3=3-1-1=4-2-2=15-7-8=11-9-1=3-1-2=13-7-3=15-1-12=14-9-4=20-1-9=18-6-12=17-1-10=11-1-2=14-8-1=11-4-3=20-11-9=20-12-3=8-6-1=15-6-5=9-6-2=8-3-4=19-3-14=5-2-2=3-1-2=20-1-7=12-10-2=11-7-4=5-2-2=13-7-4=15-6-8=8-6-1=20-1-19=17-14-1=9-3-1=13-5-2=17-6-5=17-12-2=10-2-6=20-8-2=12-3-1=16-4-8=9-2-6=11-9-1=19-9-4=6-2-2=9-1-3=13-10-2=4-2-2=9-3-5=20-7-4=17-4-5=18-12-5=12-7-5=18-1-9=13-7-5=10-7-3=12-1-8=18-2-8=18-11-6=6-2-4=16-12-3=5-3-2=16-10-2=6-1-3=14-10-3=5-3-2=5-2-2=5-2-1=5-2-3=18-5-4=4-1-2=10-1-9=14-7-5=5-3-1=3-1-1=5-3-1=13-11-2=7-1-2=19-10-3=12-6-6=6-2-4=3-1-1=18-1-6=13-4-1=18-2-3=10-2-4=13-9-3=10-5-1=3-1-1=3-1-2=3-1-2=16-4-1=15-5-8=5-1-1=7-1-5=5-3-2=16-10-1=15-6-8=6-4-1=13-1-1=5-3-1=11-4-4=12-8-2=4-1-3=11-9-1=7-2-4=15-3-3=6-1-4=18-1-12=13-8-1=4-2-1=15-10-4=12-6-4=8-1-6=14-5-4=10-3-1=18-10-2=15-11-4=3-1-2=6-3-1=18-3-1=4-2-2=10-3-4=19-3-15=4-1-2=9-6-2=8-2-3=9-3-5=13-1-7=15-12-2=17-1-2=14-1-1=7-2-5=10-8-2=16-11-3=20-8-9=9-1-1=16-4-1=6-3-3=14-12-2=4-1-3=19-8-4=3-1-1=7-4-1=4-2-1=14-10-4=16-5-10=18-10-6=9-5-4=17-13-1=14-8-3=9-3-2=6-1-5=15-2-6=8-5-2=9-2-6=14-11-3=5-3-1=15-12-3=10-5-2=13-7-2=12-6-6=9-7-1=9-5-3=10-8-2=20-2-7=11-8-3=7-5-1=4-2-2=12-2-6=13-11-1=9-4-1=8-5-1=15-13-1=9-4-3=4-2-2=17-10-5=12-3-9=13-5-7=7-2-5=9-2-3=18-6-8=8-2-4=3-1-2=20-6-14=16-9-5=11-3-1=7-1-4=6-4-1=5-1-4=16-5-9=12-1-5=8-5-1=11-3-4=14-12-1=19-9-1=13-6-3=9-6-2=14-2-7=10-6-4=3-1-2=6-4-1=14-11-2=10-5-2=14-4-8=3-1-1=10-5-5=17-13-1=7-1-4=13-9-2=19-14-1=6-1-4=17-2-11=12-6-3=12-10-2=17-12-3=16-5-1=20-14-5=6-3-3=16-4-2=5-2-2=12-7-5=4-1-2=11-9-1=14-12-1=13-2-4=18-16-1=15-5-4=20-9-8=4-2-1=18-14-1=13-4-2=9-1-8=12-2-2=6-1-2=17-3-1=19-4-9=13-8-1=12-7-1=11-1-10=18-2-7=4-1-2=3-1-2=19-5-7=4-2-1=14-6-7=10-5-5=7-4-2=20-14-3=3-1-1=7-3-2=10-6-4=17-3-5=13-4-5=20-14-4=3-1-2=16-10-3=8-2-4=4-2-1=15-7-7=12-7-2=5-3-2=4-1-3=4-1-1=14-12-1=5-1-1=16-8-8=4-1-2=11-2-4=5-1-4=14-9-3=12-2-1=6-4-1=10-5-2=8-2-5=14-2-10=15-5-10=5-3-2=8-5-1=6-3-3=10-8-1=6-2-2=20-18-2=15-9-1=4-1-3=11-7-2=9-4-3=6-4-2=3-1-1=19-7-5=13-8-5=17-1-8=17-10-7=11-4-3=9-5-4=13-10-1=19-11-6=4-1-2=7-3-1=7-5-1=20-15-4=14-4-8=8-3-1=18-6-12=6-1-5=20-14-4=20-5-7=8-3-5=8-2-4=19-17-1=5-3-2=16-4-7=7-5-1=5-2-2=18-8-10=5-3-2=18-16-1=13-8-5=15-5-8=20-2-6=5-2-2=3-1-2=16-13-1=7-2-2=7-5-2=5-3-1=17-3-11=16-3-13=19-12-1=19-6-9=3-1-1=8-3-4=16-13-2=14-5-7=19-12-5=13-8-5=10-7-1=8-2-5=3-1-1=7-3-4=13-3-9=14-10-1=6-4-2=15-7-3=11-8-3=15-9-3=12-7-2=4-1-1=4-1-1=20-9-10=10-6-4=14-6-7=17-7-5=3-1-2=3-1-2=17-12-3=6-1-2=19-12-3=19-11-7=20-7-8=11-3-3=5-3-1=16-10-3=3-1-1=16-5-6=19-17-2=14-7-3=19-4-11=16-11-5=3-1-1=8-3-2=7-3-2=15-7-1=8-1-5=12-2-9=8-6-1=6-2-2=5-1-2=9-1-1=10-3-5=4-2-2=16-10-6=6-1-4=10-8-2=15-3-3=14-10-2=5-1-2=4-2-1=12-8-3=9-4-3=3-1-1=14-3-7=16-4-5=19-1-3=11-4-2=11-5-4=7-2-3=10-7-1=15-13-1=14-6-8=18-7-11=3-1-1=11-8-2=9-3-3=19-14-3=19-12-6=4-2-1=4-2-2=14-3-5=7-5-1=14-11-1=14-5-9=9-2-1=18-3-5=15-9-2=10-5-1=9-7-2=8-4-4=3-1-2=7-5-2=19-4-4=5-1-3=3-1-2=3-1-2=14-10-3=5-1-4=14-10-2=3-1-2=14-12-2=5-3-1=3-1-1=15-11-3=7-3-3=13-11-1=12-5-7=15-3-5=6-2-4=8-5-2=7-2-1=10-2-8=13-1-10=16-9-7=3-1-2=8-3-3=5-3-2=20-15-2=3-1-1=14-1-13=8-5-2=8-5-3=6-2-1=12-10-1=3-1-1=11-9-1=20-10-2=19-3-16=11-5-2=15-4-3=20-7-4=13-5-6=16-13-3=3-1-2=10-7-1=13-8-3=20-15-4=17-3-7=12-1-10=11-3-2=13-3-7=5-1-4=17-5-1=15-2-7=5-3-2=18-13-1=18-4-8=17-5-4=3-1-1=7-3-1=14-11-3=3-1-1=20-5-11=15-3-7=8-6-1=8-4-1=5-3-2=4-1-2=16-10-1=17-13-3=18-4-7=9-5-4=18-16-1=10-5-4=7-1-6=4-2-1=10-5-3=19-10-9=4-1-1=8-4-1=6-2-4=4-1-1=14-2-8=12-2-8=7-5-2=3-1-2=7-2-3=18-7-6=10-5-1=16-2-7=8-5-2=10-4-3=8-5-1=11-3-2=16-6-5=7-3-3=13-6-6=14-10-4=12-8-2=9-6-1=4-1-1=20-8-11=17-10-3=15-1-6=7-5-2=18-8-8=17-10-4=19-5-12=10-6-3=18-8-4=16-14-2=3-1-2=9-1-1=3-1-2=12-1-10=17-12-2=15-10-1=16-12-4=6-1-5=4-2-1=9-1-8=19-15-4=15-8-3=3-1-2=18-3-1=14-6-8=12-9-3=17-10-6=18-16-2=20-8-2=19-8-10=18-14-3=6-4-1=12-10-1=9-3-5=9-4-5=15-7-8=3-1-2=19-17-1=13-6-3=10-6-4=6-4-1=18-9-3=4-2-2=17-14-2=17-12-5=8-6-2=14-3-11=17-10-5=20-10-6=16-5-6=14-7-1=10-5-3=14-4-7=14-8-4=11-7-2=7-4-1=16-4-6=6-4-2=19-12-4=10-4-6=6-3-2=7-5-1=10-5-4=15-13-2=6-3-1=7-4-2=15-9-4=10-3-2=12-9-1=19-6-2=4-2-2=14-7-2=15-2-2=4-1-1=7-4-3=3-1-2=15-3-11=13-5-2=19-4-7=11-2-4=8-5-2=7-1-1=18-2-1=20-11-1=12-9-3=11-5-3=3-1-2=15-7-4=10-8-1=4-2-1=17-15-2=7-3-1=9-4-2=8-4-2=10-8-2=7-5-2=7-5-1=8-2-1=18-7-3=4-1-1=12-1-9=19-10-6=4-2-2=9-6-3=10-4-3=6-4-1=20-1-1=9-2-4=13-11-2=13-2-10=20-8-8=3-1-1=18-16-2=11-6-4=3-1-2=19-9-4=7-4-2=20-3-10=15-8-5=8-4-1=8-3-2=16-2-3=6-1-4=12-5-1=9-7-2=18-12-4=3-1-1=18-16-1=19-7-8=9-6-2=7-2-4=15-5-7=3-1-2=20-15-4=4-2-1=6-2-4=20-13-2=12-2-1=14-5-5=11-2-5=7-2-3=8-2-2=20-16-2=4-2-2=18-2-3=20-17-2=7-5-2=7-2-1=8-3-3=15-13-1=15-13-2=12-7-1=14-9-3=15-1-2=13-6-1=13-5-7=8-3-5=14-11-2=5-1-4=8-5-1=17-14-2=10-2-8=8-1-2=10-5-1=8-4-2=18-2-16=10-2-5=11-9-2=19-11-2=14-10-1=19-2-6=20-18-2=12-7-1=10-1-1=7-4-1=14-1-2=11-7-2=16-14-1=5-1-1=6-2-3=19-5-12=16-4-5=4-1-2=13-3-10=3-1-1=10-2-1=19-8-7=12-4-6=17-10-4=19-1-3=8-1-3=4-1-2=20-17-3=16-10-1=20-16-1=18-15-3=7-2-3=15-13-2=17-6-2=15-3-7=14-12-1=7-5-2=10-5-1=3-1-2=7-1-6=11-6-3=4-2-1=6-2-1=14-2-11=11-7-1=5-2-1=8-3-5=10-6-3=3-1-1=6-3-1=8-2-6=3-1-1=9-6-1=3-1-1=12-9-1=4-1-1=6-2-1=15-11-3=13-2-7=5-2-2=15-12-3=11-7-1=16-9-7=6-1-5=13-6-6=6-2-1=7-2-2=10-1-4=5-3-1=19-5-10=11-6-4=18-6-8=19-8-4=14-1-7=11-1-4=18-6-2=5-2-3=14-4-7=15-12-1=4-1-2=12-8-3=11-9-1=7-1-5=13-4-2=17-15-1=14-6-4=6-4-1=4-2-1=15-12-3=4-1-2=17-11-1=10-5-1=4-1-1=9-5-3=13-9-4=6-3-2=6-4-2=7-4-3=11-3-3=4-1-1=11-9-1=9-1-7=17-1-12=14-2-4=3-1-2=16-2-11=9-6-2=10-4-3=9-5-2=18