20以?xún)?nèi)連減質(zhì)量檢測(cè)題帶答案姓名：班級(jí)：日期：用時(shí)：分鐘得分：12-7-5=6-2-3=17-5-12=18-6-3=18-7-6=5-3-2=11-5-4=14-3-5=16-6-7=19-13-2=8-6-2=3-1-1=10-6-3=4-1-2=12-2-9=9-5-1=3-1-2=10-6-2=17-12-2=9-5-1=3-1-1=13-1-6=10-7-3=7-2-4=3-1-1=3-1-1=14-6-4=9-1-4=4-1-2=3-1-2=7-3-3=4-2-1=4-2-1=17-10-5=16-8-8=3-1-1=15-13-2=14-1-6=6-4-2=20-1-17=10-5-4=12-10-1=14-10-3=7-4-2=3-1-2=9-7-1=13-8-3=18-11-7=11-3-1=13-9-3=14-4-8=16-11-3=4-1-2=11-1-3=20-8-3=20-15-4=10-8-1=10-7-3=19-4-8=13-11-1=8-1-3=14-4-1=8-4-4=10-5-3=9-6-3=14-6-2=4-2-1=3-1-1=19-16-2=16-11-3=5-2-2=6-1-2=8-6-1=12-3-2=11-3-3=20-8-3=18-2-12=6-1-2=19-10-7=3-1-2=16-1-2=11-2-7=14-3-10=4-2-2=15-1-11=9-4-1=11-2-2=16-13-2=7-1-2=12-10-1=11-3-8=6-1-1=3-1-1=5-1-4=19-14-5=15-3-1=7-4-1=3-1-1=3-1-1=15-3-3=7-4-3=13-9-2=12-4-8=17-4-7=9-3-6=12-9-2=17-7-4=13-10-3=6-2-3=12-1-9=9-3-6=12-1-3=4-2-2=17-10-6=12-6-4=10-4-4=5-2-2=7-3-3=14-2-6=6-1-5=11-8-1=9-2-5=5-2-1=15-7-3=20-18-2=5-2-2=16-13-2=12-8-4=3-1-2=14-2-1=20-17-2=10-7-2=10-4-3=3-1-1=12-6-2=18-10-2=6-2-1=4-1-3=10-8-1=10-2-5=20-9-3=20-7-7=7-5-2=8-2-5=5-3-2=3-1-2=11-8-1=7-1-2=16-7-9=15-3-1=11-3-1=20-2-10=15-8-4=20-8-3=8-5-1=11-2-7=7-1-2=18-2-8=18-8-3=5-2-2=17-5-8=16-4-6=15-1-8=6-1-1=16-8-2=19-9-10=9-6-1=4-1-2=8-5-3=3-1-2=6-1-4=11-1-5=9-5-2=19-9-9=4-2-2=7-1-6=8-1-7=16-11-4=7-2-3=3-1-1=14-2-12=14-3-2=6-3-1=19-13-2=14-3-9=14-4-7=19-12-4=10-1-3=10-6-1=18-10-8=16-12-3=20-18-2=13-10-1=7-5-2=3-1-1=16-11-5=14-2-1=6-1-5=15-9-4=17-4-7=15-9-2=20-15-4=4-2-1=15-5-3=15-8-1=5-2-3=20-7-5=10-8-1=15-11-3=8-1-6=11-9-1=5-2-3=14-11-2=17-12-2=16-8-5=14-9-1=4-1-3=19-7-5=15-1-3=14-12-1=6-4-2=5-2-2=17-2-15=4-1-1=11-8-2=17-13-3=19-11-6=6-1-3=3-1-2=3-1-1=18-3-14=16-3-12=6-2-2=19-2-16=19-17-2=4-2-1=12-10-1=5-2-2=3-1-2=19-17-2=14-10-4=16-12-2=16-7-2=12-1-10=11-3-3=19-6-7=20-17-3=3-1-1=11-7-3=14-4-1=18-14-3=4-1-3=13-6-4=19-5-7=5-1-2=4-2-1=13-9-1=11-3-7=9-5-1=12-4-7=9-7-1=3-1-2=16-14-1=18-2-4=4-2-1=20-18-2=17-7-2=19-4-11=8-3-4=12-9-1=20-10-5=9-1-7=14-6-3=20-15-2=3-1-2=20-16-2=16-10-1=4-1-3=19-9-4=12-4-5=6-1-5=7-2-4=20-1-7=14-12-2=19-5-7=12-8-4=19-13-5=4-2-1=7-5-2=20-3-10=12-6-1=12-4-8=18-12-1=4-2-2=15-3-9=19-4-15=19-1-4=20-3-11=17-3-12=16-10-3=15-10-5=11-3-3=20-17-1=6-3-3=18-1-1=13-10-1=16-9-1=3-1-2=6-2-1=15-7-2=16-2-1=11-9-1=15-8-3=5-1-2=7-3-1=8-6-2=5-1-2=8-4-2=8-5-2=5-2-1=12-5-1=20-7-1=13-1-4=7-4-1=18-16-1=12-4-2=20-11-2=18-12-5=12-1-5=19-9-1=3-1-1=17-2-12=13-7-2=18-15-3=11-8-1=20-16-2=3-1-1=18-9-7=13-8-1=12-2-5=17-11-3=12-2-4=8-5-1=20-15-5=8-2-4=18-12-1=8-3-4=17-8-8=9-1-8=11-3-7=18-14-2=20-4-7=14-6-3=4-1-2=9-4-5=10-5-3=5-3-2=3-1-2=6-2-1=18-13-4=11-2-3=5-3-1=12-2-6=20-12-8=9-5-2=18-13-3=20-12-3=15-13-2=17-15-1=11-2-4=8-1-2=10-4-1=17-1-6=19-5-4=4-2-2=8-3-2=20-7-3=20-15-5=5-1-4=8-2-5=9-2-2=20-16-3=19-9-7=17-6-9=19-3-15=10-5-2=6-1-2=5-2-3=11-1-2=9-6-2=19-12-1=10-5-2=7-4-3=20-3-1=9-6-2=5-2-1=4-2-2=9-3-5=9-6-3=9-6-2=15-8-2=6-4-1=8-3-4=19-13-6=10-6-2=16-3-13=19-2-4=16-7-7=10-4-6=7-1-3=16-2-5=17-7-7=4-2-1=12-8-4=14-4-4=3-1-1=11-5-4=19-15-2=7-2-5=15-8-3=5-1-3=3-1-1=12-7-4=8-5-3=17-7-1=18-8-2=18-5-13=19-17-1=20-16-2=19-4-10=20-13-5=15-9-6=14-5-3=11-2-5=4-1-2=17-2-14=19-6-11=6-3-1=19-15-1=11-3-2=15-2-4=18-9-1=10-3-5=17-1-12=18-8-4=16-3-5=6-4-1=3-1-2=14-3-5=5-3-2=15-5-2=7-2-1=14-9-4=13-4-8=18-3-10=12-10-2=9-7-2=7-3-4=11-1-2=16-5-5=8-6-1=10-8-1=14-5-9=10-6-3=4-2-1=17-11-4=7-5-2=6-2-4=5-1-3=20-2-12=6-3-2=9-6-1=6-2-1=19-15-1=12-6-2=14-2-12=13-1-12=13-7-3=16-9-1=3-1-2=16-12-1=9-5-1=7-2-5=5-1-4=9-2-4=13-5-7=16-9-3=11-4-6=20-2-4=17-10-2=19-9-9=11-3-2=20-13-6=7-3-3=3-1-1=6-1-3=10-4-6=5-1-1=17-1-11=4-1-2=10-5-4=3-1-2=7-5-2=4-1-1=7-3-3=7-4-3=3-1-2=20-11-3=9-1-4=10-8-1=16-5-9=8-2-2=14-6-6=17-13-2=9-5-2=17-14-2=17-12-5=20-7-12=6-1-3=19-6-7=19-7-2=13-1-7=15-10-5=17-4-8=5-3-1=3-1-1=7-3-4=12-6-2=13-11-2=15-7-2=17-14-1=20-7-3=4-1-1=20-8-5=17-12-5=14-10-3=13-7-5=8-6-2=10-6-3=16-13-3=7-2-4=11-1-2=4-2-2=13-2-3=13-11-1=20-14-5=18-16-1=19-2-2=16-5-4=7-1-6=6-2-4=13-6-7=5-1-3=14-4-9=17-2-4=13-3-2=11-8-2=16-1-13=4-1-2=13-5-2=11-7-1=19-14-2=17-7-8=7-1-2=17-2-5=7-4-1=18-4-13=10-4-3=3-1-2=18-6-2=9-4-3=20-3-5=16-6-1=12-10-2=11-8-1=13-8-5=5-3-1=8-4-1=17-4-11=8-1-4=16-7-2=18-7-3=17-5-10=14-11-1=8-2-2=17-4-5=19-7-7=4-1-2=15-10-2=9-7-2=9-1-8=7-1-6=4-1-1=7-3-3=6-3-3=15-4-8=13-6-2=17-8-2=7-4-3=12-6-3=16-2-11=19-10-7=8-3-2=5-3-1=15-3-1=15-7-2=4-2-2=11-1-3=15-11-4=9-3-6=9-3-1=6-3-3=7-3-2=12-2-1=8-5-3=9-3-1=16-5-7=3-1-1=3-1-1=5-3-1=6-2-2=9-6-2=10-5-3=9-5-2=20-10-10=7-5-1=16-14-1=15-13-1=20-2-8=17-3-3=5-1-4=20-4-12=16-4-6=19-11-6=17-7-6=5-3-2=17-10-6=10-2-6=4-1-3=3-1-2=12-5-4=19-16-2=4-1-3=12-9-2=8-5-3=12-1-7=4-1-1=3-1-2=5-3-1=14-5-7=7-4-3=20-13-1=16-7-8=9-5-4=16-6-1=9-7-2=6-4-2=17-8-9=17-13-4=6-2-3=11-4-2=12-10-1=16-2-13=19-8-9=8-6-2=10-3-7=8-4-3=7-5-1=14-11-3=18-8-3=11-1-10=17-13-3=12-2-1=20-10-9=3-1-2=8-5-1=15-6-9=18-9-2=15-1-1=18-8-7=4-2-2=9-3-3=9-1-3=12-4-8=20-12-8=16-4-4=6-2-4=10-4-2=7-3-4=17-14-1=16-1-2=8-1-7=14-6-7=9-4-1=11-2-5=11-6-2=14-10-1=5-1-2=16-6-9=8-6-2=3-1-2=4-1-3=15-4-5=8-5-2=3-1-2=16-6-1=14-10-3=20-3-15=13-6-5=13-1-8=9-1-4=15-3-4=20-18-1=19-15-1=8-3-4=20-14-5=20-14-6=3-1-1=4-2-1=7-4-3=14-9-4=4-1-1=13-9-2=11-8-3=16-8-3=16-7-3=11-5-4=8-2-1=6-2-1=20-14-6=13-3-9=17-10-7=3-1-1=11-8-3=12-10-2=20-14-1=15-7-3=14-2-4=11-7-4=11-8-2=16-8-5=15-3-9=6-4-2=7-2-5=9-3-1=20-5-9=8-3-4=8-2-2=17-8-5=11-9-1=17-14-2=3-1-2=16-14-2=4-1-3=11-7-1=8-6-2=6-1-1=16-4-3=9-4-1=9-6-2=16-2-12=19-3-9=6-3-2=19-17-2=19-11-8=6-1-2=9-6-1=17-2-13=12-1-11=4-2-1=11-1-3=10-6-1=9-5-4=8-6-1=18-1-11=11-3-6=3-1-1=18-3-2=16-9-5=16-3-2=3-1-2=11-2-1=18-10-5=14-12-1=3-1-2=6-4-2=18-10-8=20-7-3=17-1-12=19-13-1=12-8-3=13-3-6=13-4-4=11-9-2=11-4-5=8-2-4=11-8-1=20-1-11=13-4-1=6-1-5=5-2-2=7-1-5=3-1-2=4-2-2=16-13-3=8-2-3=6-3-2=6-1-3=14-3-10=3-1-1=17-11-4=5-3-1=4-1-2=8-6-1=16-14-2=15-6-8=12-4-8=10-6-3=8-6-2=9-4-5=3-1-2=3-1-1=17-1-6=19-6-13=17-10-4=8-5-1=17-12-4=6-1-4=6-2-4=12-1-5=5-1-3=6-2-2=5-3-2=15-13-1=18-8-2=13-3-8=7-1-4=19-1-2=14-11-1=18-12-2=19-3-4=20-3-3=12-6-5=18-9-8=15-11-4=5-1-4=12-6-1=3-1-1=5-1-3=8-4-3=3-1-2=5-1-2=14-4-1=12-2-10=16-9-4=19-13-2=10-8-2=20-13-4=13-11-2=4-1-3=4-2-2=11-2-3=11-8-3=16-10-5=19-9-5=9-6-1=10-2-4=20-18-1=16-8-2=17-8-4=4-2-2=16-5-10=14-4-2=4-1-2=9-3-3=11-1-7=14-4-6=11-9-2=3-1-2=8-3-3=4-2-1=18-10-8=12-1-8=5-2-3=14-1-2=12-6-4=14-9-4=9