20以内加法口算练习题带括号填空.docxVIP

20以内减法口算练习题填空型时间：错误率：

6＋()=18()＋9=1916＋()=18

()＋2=1313＋()=19()＋2=9

()＋5=12()＋3=5()＋2=6

()＋15=18()＋1=5()＋11=16

()＋13=1515＋()=183＋()=9

()＋3=76＋()=20()＋3=14

()＋8=153＋()=135＋()=8

9＋()=145＋()=20()＋8=11

5＋()=10()＋1=7()＋3=9

6＋()=145＋()=96＋()=15

()＋5=1112＋()=13()＋10=15

17＋()=20()＋7=102＋()=18

()＋4=14()＋10=17()＋7=17

()＋10=169＋()=168＋()=20

9＋()=181＋()=17()＋9=13

()＋2=15()＋6=20()＋1=16

()＋16=20()＋1=15()＋6=8

()＋6=111＋()=202＋()=13

()＋2=14()＋8=20()＋6=17

20以内减法口算练习题填空型时间：错误率：

7＋()=20()＋8=194＋()=10

3＋()=517＋()=183＋()=15

()＋4=8()＋2=31＋()=10

()＋5=86＋()=1210＋()=16

7＋()=11()＋13=19()＋2=4

1＋()=132＋()=201＋()=7

()＋15=16()＋11=193＋()=17

()＋14=194＋()=15()＋2=11

2＋()=71＋()=4()＋18=19

()＋9=14()＋5=18()＋1=6

7＋()=8()＋8=9()＋9=17

()＋11=20()＋3=159＋()=17

()＋3=13()＋13=17()＋4=19

()＋11=12()＋12=17()＋2=7

16＋()=17()＋2=162＋()=19

9＋()=13()＋5=13()＋2=20

()＋2=17()＋7=92＋()=17

10＋()=2012＋()=178＋()=14

7＋()=1013＋()=169＋()