20以內連減競賽測驗訓練題帶答案姓名：班級：日期：用時：分鐘得分：12-2-7=9-7-2=7-5-2=9-6-1=3-1-2=6-4-1=19-14-1=15-4-5=6-2-2=20-3-11=6-3-3=11-5-3=3-1-2=15-1-5=13-8-4=10-6-1=19-16-1=19-15-3=15-5-9=15-3-8=9-4-4=5-1-3=19-1-16=9-6-1=15-5-1=3-1-1=5-3-2=20-2-3=20-5-9=16-6-1=6-1-4=19-2-15=10-1-1=11-3-8=5-1-4=4-2-2=17-5-1=4-1-2=12-10-2=8-1-7=7-3-4=17-13-3=5-2-2=15-2-7=6-4-1=4-2-2=8-3-4=18-14-2=3-1-2=10-2-3=9-1-8=13-7-1=9-5-1=20-3-12=5-1-4=4-1-2=12-4-7=8-5-2=8-2-6=11-9-1=14-9-4=19-13-1=17-13-3=10-2-1=3-1-2=3-1-2=8-6-1=19-9-1=3-1-2=18-9-3=13-7-2=10-7-2=19-13-5=8-4-3=17-10-5=5-1-3=15-6-3=13-7-4=20-15-4=5-3-1=14-10-2=13-4-9=20-1-1=4-2-2=19-9-4=8-2-6=16-5-5=10-7-1=17-10-1=13-10-1=11-2-9=16-6-3=12-7-2=3-1-2=4-1-1=19-3-13=16-12-1=10-8-1=7-2-1=19-1-14=18-8-10=16-2-5=9-2-4=14-7-3=14-7-3=10-7-1=5-1-3=9-1-3=12-5-2=20-15-4=7-5-2=6-4-2=9-5-2=11-5-6=19-14-2=9-4-5=19-8-6=12-1-5=8-1-5=13-1-8=6-3-1=5-1-1=13-4-8=10-8-1=19-1-5=19-15-3=5-3-2=19-14-5=18-13-4=16-3-12=18-16-1=17-11-3=17-10-4=15-7-8=16-5-2=19-7-6=14-10-3=7-4-1=17-10-7=18-4-14=4-2-2=5-3-1=8-2-3=7-2-3=14-6-2=3-1-1=14-9-3=4-1-3=20-3-14=12-4-1=9-7-1=16-10-4=19-15-1=19-4-12=13-9-1=18-14-4=4-2-1=11-4-6=9-6-2=17-12-5=12-4-8=5-2-3=5-2-2=4-2-1=18-5-11=5-2-2=5-1-4=11-8-2=7-5-2=13-4-2=10-3-5=20-18-2=3-1-2=18-9-3=15-5-1=14-5-9=9-5-2=19-2-5=3-1-1=14-10-2=18-5-13=7-3-2=15-2-4=12-10-1=13-5-6=14-9-2=17-7-5=20-8-8=20-9-3=13-4-5=5-1-2=17-13-4=13-3-2=15-10-4=18-5-1=6-2-4=14-12-1=4-1-2=17-14-1=3-1-1=18-16-1=10-8-1=17-9-1=18-10-8=18-2-8=19-14-5=5-1-1=17-1-12=12-3-6=12-7-3=14-6-6=15-12-3=17-2-12=19-13-1=12-10-2=7-4-2=15-12-2=6-1-3=10-5-3=14-12-2=4-2-2=4-1-2=8-4-2=16-6-2=18-13-2=17-11-4=8-5-2=11-2-8=16-12-2=18-14-1=6-3-3=15-5-7=19-10-5=10-1-7=3-1-1=8-5-3=19-6-6=17-11-3=3-1-1=15-12-3=10-5-5=16-14-2=4-2-2=5-3-1=19-12-3=19-9-2=9-1-5=16-1-13=14-5-6=5-3-2=9-3-4=12-10-2=11-8-3=17-5-9=20-3-8=17-5-9=4-2-2=16-6-4=15-4-9=6-3-2=4-2-1=3-1-1=13-8-4=15-6-6=9-2-6=20-2-5=15-11-3=12-6-6=13-11-2=6-1-4=16-11-4=14-1-11=4-2-2=19-7-9=13-2-11=15-8-2=13-8-1=6-1-5=7-2-5=7-1-5=20-5-14=20-11-2=15-7-8=10-5-1=20-10-3=18-4-4=15-3-5=9-7-2=17-11-4=13-4-9=13-1-7=19-6-3=12-10-2=13-7-6=5-1-4=20-15-5=7-2-1=18-12-6=12-3-7=18-4-11=17-7-10=17-4-12=5-2-1=9-1-8=3-1-1=4-1-3=14-12-2=6-1-4=16-10-3=6-3-3=16-3-11=8-5-2=6-2-2=19-15-4=17-13-1=7-2-1=18-10-6=7-4-1=11-2-4=15-13-2=15-4-8=16-9-1=11-1-10=8-3-1=8-6-1=8-6-2=19-4-5=4-2-2=7-2-2=14-7-6=20-1-12=19-15-1=11-4-1=19-14-1=19-16-1=8-3-4=3-1-1=15-5-9=6-1-5=10-7-1=9-3-5=5-1-2=7-4-3=9-6-2=19-8-4=20-13-1=18-4-8=20-10-2=11-1-1=19-5-3=13-1-2=5-2-1=6-2-4=10-3-6=8-3-1=11-3-5=18-9-8=8-3-4=13-11-1=7-5-1=4-1-1=16-10-6=7-2-5=19-17-1=3-1-2=16-14-1=4-2-2=16-7-8=15-7-7=19-7-6=5-3-1=5-3-2=8-3-4=13-11-2=10-6-2=18-10-8=7-3-3=5-1-3=7-3-3=3-1-2=9-5-4=17-15-2=12-6-6=11-9-1=19-8-10=17-9-1=15-6-6=17-13-4=15-10-3=6-1-4=7-1-2=4-2-1=9-7-1=12-2-2=19-9-4=18-2-15=4-1-3=20-18-1=15-8-1=14-5-6=5-3-1=8-2-6=10-1-5=13-6-2=9-3-6=3-1-2=3-1-1=19-17-2=14-4-9=8-4-4=12-7-2=17-6-10=3-1-2=15-3-2=15-1-3=4-1-3=4-2-2=6-2-3=10-3-3=11-7-3=3-1-1=5-2-3=4-2-1=15-4-11=19-1-2=14-12-2=17-4-4=5-2-3=7-4-2=15-10-2=9-6-1=19-16-3=9-5-4=7-4-3=8-4-4=8-5-2=20-3-8=16-2-9=8-1-4=16-4-4=18-12-2=9-5-3=15-11-2=6-3-1=10-8-2=7-5-2=12-10-1=4-1-2=11-1-3=8-6-2=16-8-7=20-3-3=14-9-1=3-1-2=4-1-1=11-7-4=5-1-2=7-2-3=16-4-1=12-6-1=11-2-8=9-6-3=11-1-6=17-9-6=19-1-12=5-2-1=7-1-4=18-8-9=17-10-4=6-2-4=14-12-2=5-1-4=17-4-7=11-6-3=6-2-1=13-9-4=9-1-8=15-8-5=4-2-1=14-8-6=16-9-5=15-3-8=19-17-2=5-1-1=20-14-2=20-12-6=9-7-1=11-6-3=9-7-2=14-7-5=14-9-5=11-4-4=18-13-2=10-6-2=13-9-4=4-1-1=5-1-1=13-7-1=15-4-10=5-1-4=20-17-2=8-6-2=12-8-2=5-2-1=8-4-2=4-2-2=20-2-12=6-1-5=3-1-1=13-3-6=7-2-4=17-6-11=14-3-5=13-1-3=5-3-2=7-1-4=16-5-1=14-6-7=20-13-7=10-8-1=6-1-3=10-3-5=4-1-2=3-1-1=5-1-2=10-6-1=5-2-3=5-3-1=16-9-6=13-11-1=10-1-1=7-1-3=9-2-1=20-15-4=4-2-1=20-5-6=3-1-1=9-2-2=4-2-1=3-1-1=10-4-1=16-9-2=7-2-3=19-15-1=5-2-2=3-1-1=8-6-2=6-1-5=7-1-3=5-2-1=6-4-2=4-2-1=8-6-2=9-3-6=8-4-3=14-5-7=5-1-2=12-7-2=19-14-4=15-4-2=9-7-1=9-4-3=20-6-5=6-4-2=18-16-1=14-6-3=13-7-3=11-8-2=16-3-11=6-1-5=13-1-4=18-15-3=3-1-2=4-2-2=11-4-3=20-9-1=5-3-2=19-1-10=8-1-6=9-7-1=8-2-6=15-1-3=20-8-10=15-1-10=9-6-2=20-4-13=5-3-1=13-10-2=9-1-6=16-1-4=17-6-5=10-2-6=7-5-1=8-3-1=17-9-1=11-6-2=5-1-2=12-10-1=15-10-5=20-18-2=8-2-6=3-1-2=10-7-3=9-7-1=7-1-3=17-11-5=10-3-5=5-2-1=4-2-2=13-2-8=16-4-11=15-5-10=19-11-4=20-7-12=8-5-3=10-4-2=11-8-2=18-5-11=19-1-17=20-10-8=13-3-1=7-2-4=17-6-3=20-18-2=4-2-2=12-3-7=17-2-9=14-2-10=5-1-1=14-10-2=3-1-1=8-2-1=3-1-1=5-3-1=14-1-3=19-2-13=7-2-1=11-4-4=12-5-6=8-1-7=13-9-1=7-2-3=13-9-4=16-6-2=9-2-7=13-11-1=5-2-3=11-5-5=18-8-8=13-9-3=8-4-4=3-1-2=10-3-6=6-3-2=7-4-3=19-9-4=14-1-11=8-2-2=3-1-2=15-5-5=17-12-1=13-2-1=12-7-2=18-6-1=16-12-1=5-1-2=10-1-7=13-7-3=9-7-2=14-8-1=3-1-2=18-10-6=5-2-2=20-5-8=15-2-6=16-13-1=8-1-3=18-16-1=4-1-3=8-6-2=18-14-2=19-17-1=12-8-3=18-6-11=4-1-3=18-14-1=3-1-2=19-7-10=9-1-1=14-2-8=11-1-10=20-13-7=15-6-2=17-12-4=17-15-1=5-2-3=17-13-3=14-10-1=20-16-1=20-9-11=12-6-5=4-2-2=6-3-3=6-4-2=6-4-2=15-1-11=8-5-1=16-10-6=11-8-1=20-8-7=16-4-12=3-1-1=10-4-5=16-12-3=18-1-14=19-10-8=5-3-2=6-1-2=19-3-14=12-1-1=16-3-8=7-4-2=4-1-2=13-4-9=9-5-1=12-9-3=20-13-5=7-4-2=11-2-5=19-5-14=15-12-1=4-2-1=4-1-3=16-8-4=18-9-4=18-10-5=20-4-8=11-7-2=12-6-3=8-5-1=4-1-3=16-13-2=17-15-1=8-2-6=5-2-1=4-2-2=4-2-1=3-1-2=12-7-1=16-10-1=9-1-7=3-1-1=19-14-2=9-3-2=5-1-2=7-2-2=15-6-9=11-3-4=15-7-6=8-1-4=16-12-4=18-11-5=14-9-4=10-8-1=17-15-2=8-3-4=7-1-6=11-6-1=5-3-2=8-3-1=3-1-1=17-10-1=11-6-2=17-15-2=15-7-6=13-8-4=19-12-5=11-8-1=13-11-2=7-5-1=19-16-3=14-8-2=5-3-1=10-7-3=5-3-2=20-16-4=4-1-2=13-5-4=7-2-2=14-6-8=17-4-10=15-13-2=15-11-3=16-1-11=20-3-6=12-1-7=20-15-1=5-2-1=10-8-1=16-9-5=13-2-11=16-3-12=12-5-5=7-3-2=4-2-2=16-9-2=4-1-3=8-3-2=6-2-1=7-4-3=17-5-9=3-1-1=12-1-4=8-1-4=20-3-16=7-4-1=11-9-2=8-5-2=16-6-6=18-16-1=16-1-6=6-3-1=19-7-1=14-9-2=6-3-1=10-2-1=20-3-16=20-8-3=12-5-7=6-3-3=15-3-10=14-8-6=12-10-2=5-2-1=4-1-2=14-4-10=15-5-2=13-3-7=16-2-5=14-5-8=19-1-8=3-1-1=8-4-1=4-1-3=11-7-4=4-2-2=18-6-5=15-11-1=16-14-2=13-8-3=16-9-6=4-1-3=3-1-2=14-11-1=4-2-1=5-1-2=15-3-12=18-8-4=4-1-3=10-3-3=12-1-2=12-10-2=7-1-3=7-1-5=20-4-9=10-2-2=18-14-2=18-16-2=5-2-1=13-2-11=5-2-3=8-6-1=19-14-3=6-1-2=4-2-2=3-1-1=15-12-1=10-8-2=11-4-1=18-4-13=8-3-3=20-11-1=5-3-2=18-7-7=6-3-1=15-6-3=7-