小學一年級數學20以內連減質量檢測例題姓名：班級：日期：用時：分鐘得分：20-16-1=9-2-4=4-2-1=18-14-1=8-4-1=10-2-8=14-4-4=3-1-1=8-4-3=9-5-2=10-7-2=6-3-1=13-1-8=19-10-9=12-2-7=10-7-3=7-2-5=12-7-2=6-3-1=17-5-9=11-8-1=5-1-4=8-5-1=8-5-3=18-10-1=3-1-2=17-10-1=9-5-1=20-6-8=3-1-2=17-5-6=10-4-5=12-5-2=17-10-6=17-14-2=9-7-2=14-4-3=9-2-3=13-6-3=10-4-3=13-8-5=11-2-7=14-9-5=5-3-2=5-1-1=19-9-1=5-2-3=8-4-4=9-3-1=6-1-4=4-2-2=13-6-7=6-1-5=12-6-6=13-8-2=13-3-5=12-6-5=14-11-2=14-11-2=9-5-4=12-5-3=11-6-4=9-3-1=8-5-1=4-1-1=5-3-1=8-3-5=12-10-2=17-11-3=4-2-1=18-13-3=17-11-3=20-13-3=19-13-2=18-6-3=14-7-6=12-2-2=20-11-2=17-15-2=19-5-10=13-9-3=16-9-5=12-9-1=7-1-4=15-1-11=18-9-7=3-1-2=3-1-1=15-4-3=18-8-3=13-2-7=9-4-2=19-1-17=10-2-1=18-3-15=6-3-3=18-10-1=19-9-2=13-7-2=4-1-3=4-2-1=18-13-1=20-13-1=11-8-3=12-6-5=15-3-7=9-2-6=16-10-2=9-4-5=6-4-2=3-1-1=4-1-3=16-10-4=11-9-2=6-2-4=15-7-4=10-5-5=4-1-3=6-1-1=6-2-1=3-1-1=11-8-1=11-3-6=15-1-3=16-4-6=17-4-6=7-5-2=5-3-1=4-2-2=18-3-12=6-3-2=20-15-4=18-8-6=12-8-2=18-15-1=5-3-1=17-9-3=11-4-6=6-1-4=14-11-3=15-3-12=19-3-5=16-11-4=14-9-2=9-5-4=20-2-6=8-1-7=11-9-1=15-10-4=17-14-2=15-12-1=5-1-3=9-7-1=10-4-4=16-10-2=18-4-4=14-6-4=4-2-2=11-2-2=10-8-1=12-8-1=5-3-1=7-3-4=11-3-1=20-5-12=13-2-5=16-14-2=11-1-7=8-3-3=3-1-1=12-8-1=9-1-3=13-5-5=13-10-2=6-1-2=11-5-5=15-11-1=11-8-3=16-7-5=13-2-1=14-1-12=10-3-5=13-8-3=11-3-8=12-10-1=17-3-9=18-10-2=10-5-5=5-3-2=19-17-2=3-1-2=20-11-6=17-6-7=17-7-2=5-1-1=13-6-3=6-1-3=13-2-1=13-3-5=20-12-3=4-2-2=17-5-11=11-6-1=7-4-2=16-6-5=6-3-1=18-2-10=17-1-14=15-12-3=9-3-2=20-3-10=18-7-9=3-1-1=6-4-1=10-4-4=6-1-1=15-2-6=10-8-1=17-3-13=19-2-14=8-1-3=6-1-4=8-4-1=18-3-1=3-1-2=8-3-2=19-3-10=9-7-2=15-7-5=18-15-2=7-3-4=13-4-5=12-1-3=17-13-1=16-13-3=15-4-1=3-1-2=8-3-4=18-6-3=5-2-2=16-12-1=3-1-2=15-12-2=20-14-4=16-14-2=8-1-4=6-1-4=10-5-4=14-3-4=19-8-7=16-3-1=11-4-5=3-1-2=20-4-10=18-2-12=14-4-4=19-16-3=5-3-1=17-14-1=7-1-6=8-1-7=11-8-2=14-3-5=6-3-3=16-6-5=10-7-3=7-3-2=10-2-2=12-5-4=14-10-3=19-3-13=8-2-2=10-4-6=7-2-4=7-1-1=16-8-5=5-3-1=6-2-3=9-6-1=8-5-3=6-1-2=20-9-5=3-1-2=19-8-5=9-4-5=12-9-1=20-6-6=12-4-7=19-15-1=6-2-4=16-2-4=11-4-3=4-1-3=11-8-3=20-7-4=13-7-6=20-14-3=14-5-8=16-7-6=10-1-9=10-5-5=6-2-3=17-12-5=3-1-1=16-9-5=5-1-1=16-12-3=15-13-1=12-10-2=4-1-3=8-4-3=13-3-7=11-8-1=6-1-1=5-1-2=19-11-3=16-7-9=13-9-4=15-4-11=8-4-3=14-3-1=5-3-1=14-5-7=10-2-7=14-10-2=17-2-2=17-12-1=16-9-5=10-3-4=8-2-5=11-2-1=17-2-12=13-5-4=4-2-1=14-12-1=12-4-8=11-1-10=9-6-1=19-9-7=6-2-3=6-1-3=6-1-3=8-2-6=12-7-2=15-9-2=8-6-1=5-2-2=15-5-4=5-3-1=13-9-2=8-6-1=20-4-16=16-12-2=17-8-4=4-1-3=9-1-2=9-1-7=14-12-2=20-15-1=9-5-2=18-16-1=18-16-1=12-5-6=14-2-12=5-2-3=19-17-1=18-11-5=3-1-1=16-6-8=5-3-2=6-3-3=7-4-3=6-1-2=14-1-9=16-3-12=18-16-2=15-9-2=20-17-3=6-1-3=17-3-11=11-4-5=15-7-3=19-11-1=6-4-2=9-7-1=3-1-2=18-13-2=7-1-4=6-1-2=17-9-1=12-7-5=8-4-4=10-3-3=18-8-3=15-9-2=19-5-4=4-2-2=3-1-2=18-5-3=14-5-7=19-6-6=16-9-1=5-2-2=5-3-2=8-1-7=14-12-2=15-3-11=14-10-3=10-8-2=11-2-1=10-8-2=7-2-1=11-8-2=7-5-1=13-10-2=20-16-3=14-6-1=16-11-2=14-4-7=19-3-15=6-2-3=11-1-10=19-15-4=7-5-2=3-1-1=18-6-6=20-8-9=18-3-13=14-8-5=16-5-6=12-3-8=8-5-3=19-8-5=9-2-7=9-3-3=3-1-2=6-2-3=6-3-3=5-1-2=8-3-2=20-7-1=8-1-7=10-6-1=9-3-4=18-6-2=11-9-2=5-2-3=5-2-2=5-3-1=15-5-3=7-2-5=11-5-1=8-4-1=4-1-2=16-11-2=5-2-3=18-15-3=20-18-1=14-2-3=3-1-1=14-12-1=19-11-1=15-11-2=13-11-2=16-12-1=3-1-1=12-8-3=9-7-2=6-4-1=18-12-2=13-4-6=13-3-3=18-9-8=19-2-4=4-1-3=11-9-1=14-5-2=17-3-13=6-1-5=9-2-3=20-18-2=9-6-2=14-9-3=11-8-2=16-11-1=6-3-3=18-14-3=20-7-8=12-3-4=10-5-5=14-9-2=11-7-2=15-1-7=12-2-9=17-12-4=6-3-1=14-7-3=5-1-3=14-4-6=10-8-1=3-1-1=20-8-9=20-4-11=8-6-1=7-1-1=13-6-4=9-3-3=12-7-4=13-11-2=19-5-6=12-8-4=14-10-1=12-4-5=20-6-7=9-3-4=5-2-1=17-1-9=18-8-3=8-3-5=15-9-2=9-3-1=17-9-6=18-1-3=9-1-7=15-12-3=16-3-2=4-1-3=10-4-6=4-2-2=15-12-3=4-1-2=19-6-3=18-7-5=4-1-3=19-17-2=6-2-1=5-1-4=12-2-4=13-10-3=13-6-2=20-3-12=16-1-8=4-2-2=10-6-2=6-3-1=6-2-4=15-2-7=6-2-3=13-9-1=18-11-5=14-6-6=20-18-2=3-1-1=6-1-3=6-1-1=3-1-2=3-1-2=12-10-1=19-5-1=3-1-1=15-3-2=11-6-1=20-12-7=5-2-1=19-1-11=6-4-2=13-8-1=14-4-2=15-8-3=17-9-1=9-7-1=4-1-3=3-1-2=12-3-9=6-1-1=20-5-11=12-7-1=14-7-1=9-1-6=10-4-4=10-1-4=6-2-1=18-8-5=4-2-2=3-1-2=13-1-2=13-8-2=13-5-7=20-3-10=18-9-7=3-1-1=11-9-1=3-1-1=19-16-2=7-4-2=14-6-2=17-6-2=6-2-1=6-2-4=12-6-1=15-1-5=9-7-1=14-12-2=8-6-1=6-4-2=9-3-6=9-4-3=4-2-2=3-1-1=18-8-4=4-1-3=10-4-4=9-1-7=17-8-2=18-9-2=19-14-2=4-1-1=11-9-1=5-1-2=12-3-9=13-11-1=8-6-1=20-18-1=9-2-5=3-1-2=20-18-2=16-13-3=12-10-1=12-9-1=13-1-9=19-6-1=20-16-3=12-10-1=3-1-2=13-3-7=7-1-2=7-4-2=12-4-1=13-3-9=5-2-1=13-6-2=17-12-1=15-2-11=19-4-15=3-1-1=3-1-1=18-6-10=11-3-5=6-1-2=10-1-6=20-8-5=17-1-10=16-3-11=10-3-7=9-5-3=3-1-2=14-1-12=18-5-7=13-10-3=13-9-1=7-3-1=17-12-2=3-1-2=13-1-11=13-8-4=12-10-1=10-2-6=7-5-1=16-13-1=14-7-3=15-9-6=20-17-2=9-4-1=14-4-1=6-1-2=8-6-2=12-1-10=14-1-2=5-2-2=11-8-3=6-3-3=11-2-9=16-8-2=14-11-1=18-15-1=6-3-2=11-9-1=20-9-3=7-4-3=8-2-3=16-2-2=8-1-1=7-1-1=4-2-2=7-4-1=6-4-2=4-2-2=13-5-2=14-12-1=10-2-2=5-2-1=6-3-2=10-8-1=8-5-1=15-10-3=12-1-3=10-4-5=9-6-3=3-1-2=15-2-4=11-7-1=19-17-2=17-10-1=19-17-1=17-4-3=10-3-1=12-3-2=14-9-2=18-4-13=5-1-4=18-16-1=5-3-2=13-11-2=11-8-1=14-11-1=7-1-1=20-9-11=11-2-7=14-7-6=11-5-2=18-12-5=9-4-2=8-5-1=14-2-2=9-2-4=20-9-4=20-13-3=6-4-2=7-1-3=4-2-1=10-3-2=20-16-3=19-10-9=17-11-5=17-4-12=10-1-9=3-1-1=8-2-4=16-14-2=15-8-7=16-11-3=7-1-5=10-8-1=5-3-2=11-4-5=14-7-7=16-3-3=6-4-2=14-10-2=18-16-1=7-4-2=16-7-2=19-15-3=13-1-11=20-2-9=7-1-4=12-4-1=17-12-2=7-3-3=13-7-6=7-3-2=12-5-6=17-8-5=5-3-2=15-5-3=19-11-6=6-1-3=17-10-4=13-5-6=19-4-5=16-3-12=4-1-1=10-6-1=17-8-2=15-4-3=9-1-4=3-1-1=12-10-1=6-2-3=16-9-6=4-2-1=11-1-7=15-8-1=17-13-4=15-10-1=4-1-1=7-2-5=3-1-1=7-4-1=5-3-2=7-5-2=13-5-8=18-13-4=19-2-6=13-5-7=10-3-7=7-3-1=4-2-2=3-1-1=6-3-1=13-11-2=7-4-3=15-6-2=13-4-5=15-10-5=7-1-1=18-10-3=3-1-2=13-3-7=7-3-1=18-16-1=9-4-4=20-10-10=19-9-9=18-9-1=16-10-2=20-8-8=10-6-4=14-3-7=5-3-1=20-15-2=16-9-2=10-5-3=4-1-3=13-5-2=5-1-1=9-3-2=12-10-2=11-8-2=17-4-5=18-13-3=12-7-5=20-3-15=12-2-7=15-12-1=4-2-1=9-6-2=17-1-13=16-10-1=17-4-13=14-1-5=8-1-3=9-1-2=5-2-1=14-8-4=15-8-2=19-8-9=15-9-4=14-3-2=16-12-4=17-14-2=8-1-4=20-2-7=7-1-3=12-6-5=12-9-2=20-16-3=14-6-3=4-2-2=8-1-2=20-10-1=8-3-1=8-1-3=6-2-4=4-1-1=9-5-3=7-5-1=12-9-2=19-4-12=5-1-3=18-16-2=8-1-3=8-4-4=20-4-12=10-2-7=18-14-4=18-