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