一年級數(shù)學20以內(nèi)連減競賽試題試題帶答案姓名：班級：日期：用時：分鐘得分：5-1-4=20-17-3=9-5-3=20-3-10=15-12-1=9-5-1=18-9-9=4-2-1=17-2-10=13-2-1=12-3-3=12-5-2=16-3-4=15-8-7=8-2-4=11-3-5=8-4-3=19-15-4=10-1-3=4-1-3=7-4-3=17-9-4=4-2-1=6-2-1=17-7-3=9-2-4=17-9-6=7-5-1=6-4-2=17-1-5=6-2-3=9-3-5=5-2-3=14-12-2=20-11-4=6-3-1=16-3-12=19-11-1=18-6-3=15-1-7=12-3-1=9-4-3=6-3-2=9-4-2=10-1-9=11-6-5=5-1-1=6-2-3=6-1-5=13-3-6=3-1-2=5-3-2=6-4-1=9-6-3=8-6-1=15-4-2=8-5-2=4-1-3=8-4-1=4-1-1=3-1-1=6-4-2=10-6-1=17-14-2=6-4-2=13-11-2=5-1-3=15-5-3=20-1-17=8-4-1=8-5-3=14-8-1=6-1-1=8-2-3=14-2-10=10-1-7=10-1-5=17-7-8=19-9-1=5-1-2=16-4-6=18-9-9=4-2-1=8-3-2=16-9-7=20-15-3=14-10-1=14-3-2=17-13-2=20-11-5=4-1-2=19-3-7=15-8-4=18-13-5=17-15-1=17-8-3=4-1-3=16-3-8=12-5-2=7-1-6=5-1-1=19-10-3=19-13-5=19-7-11=19-11-4=6-2-3=10-6-4=9-2-4=8-5-1=15-13-2=19-8-4=14-6-6=16-13-3=13-10-3=9-3-5=20-8-5=10-6-2=16-6-3=7-2-3=6-4-2=20-9-11=11-5-2=8-2-1=16-3-13=19-8-8=9-4-4=4-2-1=11-6-1=14-3-3=19-14-3=14-4-4=4-2-2=8-6-1=12-9-3=20-2-14=12-6-5=17-11-6=5-3-1=12-4-5=18-7-4=5-2-1=17-7-5=14-2-4=7-4-2=14-1-3=19-6-1=17-12-2=6-4-1=20-5-9=16-10-4=19-9-3=10-3-1=6-3-1=8-2-4=18-6-7=20-2-7=16-11-5=17-7-5=8-3-4=11-1-1=15-1-5=20-6-11=10-4-3=19-13-1=8-5-3=9-3-1=6-4-1=5-2-3=9-3-5=20-12-8=15-11-1=15-1-8=8-1-7=6-4-1=7-4-1=12-10-2=16-6-8=5-1-4=10-7-3=15-12-2=18-5-13=13-10-2=4-2-2=3-1-1=11-5-1=20-5-1=20-8-4=11-7-4=6-4-2=20-6-4=17-5-6=9-7-1=15-11-3=3-1-1=7-1-2=14-9-4=8-5-2=8-6-2=15-2-10=12-6-5=17-12-5=19-10-5=16-4-4=20-15-5=18-9-2=4-1-1=17-7-7=9-3-2=8-3-4=10-2-7=17-5-12=9-4-2=18-8-9=14-8-5=10-6-4=11-6-1=20-9-10=6-1-1=10-6-2=15-13-2=17-4-6=10-4-2=15-4-7=3-1-1=4-2-1=20-10-1=20-12-5=19-16-3=5-3-2=6-4-2=10-7-2=13-1-9=19-10-4=19-9-6=9-7-1=5-1-4=13-6-6=20-13-4=3-1-2=14-5-8=5-3-1=20-5-13=11-7-1=9-5-2=10-6-1=7-1-4=9-3-6=3-1-2=17-7-6=6-3-1=10-2-1=20-13-6=10-6-4=16-14-1=5-2-1=10-4-4=20-13-2=11-1-5=8-6-2=20-17-2=6-4-1=3-1-2=11-5-6=6-2-1=12-8-3=18-6-2=15-3-2=10-8-1=10-2-2=12-1-2=17-10-7=6-3-3=9-1-3=7-4-3=14-8-1=16-3-9=19-6-13=4-2-1=14-4-6=19-17-1=14-8-5=6-4-1=4-2-1=15-11-3=14-2-12=16-10-5=7-2-1=7-5-1=7-3-3=9-5-3=7-1-6=11-1-7=3-1-2=6-3-1=11-5-6=17-2-12=14-2-11=18-1-12=20-5-3=13-3-9=11-1-6=16-4-7=19-5-5=3-1-1=3-1-1=8-4-2=12-9-3=8-2-2=20-18-1=11-1-3=5-2-3=4-2-1=9-4-3=15-10-1=11-4-2=12-2-3=3-1-2=10-8-2=20-6-8=13-2-10=15-11-3=19-5-10=8-5-1=6-1-2=20-17-1=9-7-1=5-1-3=15-4-8=3-1-1=3-1-2=16-1-13=7-4-1=8-6-1=6-1-1=16-13-3=16-6-8=12-8-1=7-1-5=7-3-4=9-4-3=14-3-7=4-1-2=13-2-9=12-1-11=6-4-1=16-2-10=5-2-2=10-1-3=17-12-5=14-3-1=3-1-1=4-2-2=18-16-1=17-9-1=14-9-5=8-5-2=19-5-5=20-1-7=11-2-5=6-2-4=13-5-4=18-8-3=5-1-3=20-7-13=5-3-2=18-11-6=8-6-1=17-4-7=7-2-1=20-13-3=11-8-3=18-7-3=4-2-1=7-2-4=6-4-1=18-15-2=20-7-1=16-7-2=6-1-5=5-2-2=10-2-5=12-4-1=10-5-2=10-4-4=4-2-2=7-5-1=15-4-1=9-1-6=15-1-5=20-9-7=15-9-2=10-4-3=16-14-1=7-5-2=11-7-2=7-2-2=6-1-3=10-8-2=18-6-1=6-4-2=12-5-1=16-11-1=5-3-1=6-1-5=19-3-13=5-2-2=19-13-3=7-1-6=15-4-7=18-13-3=7-5-2=15-8-7=14-5-6=15-3-1=8-5-2=12-6-5=14-7-6=3-1-2=6-3-3=7-4-2=11-8-2=3-1-1=8-5-1=14-8-4=17-5-4=12-6-4=3-1-2=13-10-1=5-2-1=10-2-8=17-12-3=16-9-2=14-5-9=8-4-1=15-7-2=4-2-2=15-4-3=14-5-9=20-1-10=17-12-1=16-6-9=3-1-2=16-5-10=16-12-3=11-4-2=12-6-2=10-5-2=9-3-6=12-9-2=8-2-2=15-13-1=18-7-10=8-5-1=4-1-2=13-5-1=18-10-8=14-7-7=18-6-7=14-2-6=19-16-1=19-2-16=9-1-6=10-7-1=5-3-1=5-3-1=17-10-3=4-2-2=10-1-7=17-5-1=20-12-7=11-3-7=4-2-1=5-2-1=6-2-3=4-2-1=16-10-3=10-7-2=7-4-2=3-1-1=11-3-6=18-10-8=6-3-3=4-1-2=18-12-3=9-6-1=9-2-5=10-5-4=14-2-2=6-1-4=7-3-4=16-2-8=7-3-1=19-1-8=19-5-7=5-2-2=19-2-14=9-5-3=13-9-3=14-1-7=4-1-1=10-4-1=18-1-8=8-3-4=16-12-1=19-15-1=20-16-3=5-3-1=7-5-2=12-10-1=17-3-11=17-10-7=13-3-4=15-6-1=5-2-2=18-12-2=13-11-2=14-8-1=16-6-1=5-1-4=7-3-2=8-5-2=18-11-3=5-1-1=8-5-2=4-2-1=6-1-1=7-5-1=3-1-2=17-13-3=7-1-3=7-5-2=3-1-2=16-3-4=3-1-1=6-4-1=11-7-1=9-3-3=14-6-6=10-7-3=11-1-9=19-7-7=20-13-1=16-7-5=9-2-6=12-4-4=4-1-2=18-5-11=6-1-3=10-2-4=13-11-1=18-5-7=5-2-2=12-2-1=4-1-2=8-4-1=18-16-1=10-3-5=12-6-2=3-1-1=13-11-1=14-1-6=19-2-4=7-1-5=10-5-4=20-16-3=16-3-8=5-2-3=7-4-2=10-2-7=9-7-1=14-9-1=8-1-7=6-2-2=15-8-2=20-16-2=6-3-2=16-13-1=3-1-2=7-1-4=5-2-1=11-7-1=16-6-9=6-2-4=18-9-2=11-7-1=3-1-1=5-2-3=9-5-1=18-6-2=9-3-2=12-1-7=14-7-1=16-11-5=9-1-2=9-4-2=17-15-2=16-8-3=19-13-6=19-16-3=3-1-2=4-1-1=10-3-6=3-1-2=12-10-1=18-2-6=16-8-3=4-1-2=9-1-2=19-10-4=19-10-5=16-8-4=12-7-5=12-1-11=8-5-2=4-1-1=5-1-3=18-7-4=20-18-2=20-4-13=16-6-8=3-1-2=13-9-3=9-2-7=15-10-4=18-16-1=3-1-1=15-2-2=15-7-3=6-1-2=4-1-2=16-8-8=11-2-3=4-2-2=17-3-12=20-3-6=4-2-2=20-18-2=13-1-1=15-6-7=8-3-1=15-10-1=20-7-13=9-3-1=7-5-1=6-4-2=14-3-4=7-4-1=13-1-9=4-2-1=11-9-1=5-1-1=11-2-6=17-2-5=5-3-2=10-6-1=15-13-1=11-2-2=5-1-3=14-1-3=19-17-1=15-11-1=17-7-9=5-1-1=16-10-1=3-1-2=3-1-1=13-2-9=13-1-11=17-1-7=6-3-1=3-1-1=13-6-7=12-5-5=13-5-3=10-2-7=13-7-6=6-4-1=15-5-6=20-1-4=17-15-2=14-5-2=10-6-1=18-11-1=10-3-5=7-1-6=11-2-8=5-3-1=13-11-1=4-1-2=16-14-1=19-14-4=10-7-3=18-8-5=7-3-4=19-16-2=14-8-1=13-10-2=13-1-8=4-1-3=13-1-6=3-1-1=3-1-1=5-1-1=17-14-2=7-1-5=8-3-2=13-3-4=15-2-11=10-3-5=12-9-2=12-8-1=20-15-5=18-8-1=5-1-2=6-4-1=20-5-4=6-1-3=13-9-3=19-6-11=16-3-3=8-4-4=17-8-4=18-8-10=7-5-2=5-2-2=14-4-10=12-8-3=4-1-3=20-18-2=11-4-7=13-2-4=7-2-3=8-6-1=12-1-7=15-4-7=6-4-2=18-7-11=18-8-4=5-3-2=11-4-5=12-9-2=8-2-1=10-6-3=5-2-1=17-4-10=9-5-1=19-15-1=15-7-1=15-6-7=9-7-2=7-2-5=4-2-1=3-1-1=12-6-6=3-1-1=9-6-2=19-3-8=5-2-3=4-2-2=10-6-4=20-11-7=16-14-2=14-3-10=3-1-1=14-11-3=20-18-2=19-15-4=17-9-8=15-11-3=8-4-1=8-2-2=20-1-17=8-2-2=8-4-4=5-2-3=12-4-7=13-7-4=4-1-2=13-3-7=8-5-1=20-10-6=8-6-2=12-10-2=14-9-4=6-2-3=6-3-2=7-5-2=18-5-5=13-1-12=17-8-7=7-5-1=4-2-1=14-10-4=13-8-2=7-1-1=19-15-3=10-1-5=16-12-2=4-2-2=15-13-2=3-1-1=3-1-2=9-4-2=19-14-4=10-5-1=12-7-3=9-5-2=18-1-15=9-2-4=17-4-10=8-3-3=15-11-1=16-13-1=7-2-1=16-2-11=16-8-3=12-7-2=16-12-3=10-2-7=15-11-3=17-6-10=3-1-2=7-4-3=4-1-2=14-12-2=8-6-2=13-1-2=9-6-3=10-4-4=18-9-6=19-4-14=13-1-5=13-3-2=5-2-2=19-3-14=18-12-6=19-3-13=8-6-1=3-1-1=19-13-1=17-11-1=3-1-1=4-1-3=17-7-3=12-6-6=5-3-2=19-12-5=20-13-1=10-1-7=9-3-4=13-8-1=17-12-4=13-3-10=6-4-1=10-1-2=10-3-6=20-13-7=9-6-2=9-5-1=18-1-17=13-7-6=9-4-4=15-2-6=13-11-2=14-2-4=5-1-3=10-7-1=9-7-2=7-4-1=4-2-1=4-2-1=14-1-3=15-8-3=6-3-1=10-8-2=16-12-4=11-2-8=13-1-10=15-2-1=20-2-2=12-8-4=9-4-3=4-2-2=9-7-2=18-1-8=13-10-1=9-2-