1、第 1 页 共 6 页20以内填括号口算专项练习 300题( )+5=12 5+( ) =12 ( ) +7=17 ( )+1=15 3+( ) =14 ( )-3=6 ( )+9=13 ( )+5=11 ( )+2=10 13- ( ) =2 ( )+5=19 4-( ) =2 9-( ) =4 ( )-3=7 ( )-14=3 ( )+9=16 ( )+0=9 ( )-6=7 5+( ) =10 9+( ) =18 19-( ) =6 8+( ) =9 8+( ) =10 ( ) +3=14 ( ) +7=7 4-( ) =4 ( ) +6=15 13-( ) =7 9+( ) =16 1
2、+( ) =13 ( ) -0=14 14+( ) =16 16-( ) =5 9+( ) =13 17-( ) =4 5+( ) =9 14- ( ) =0 ( ) -12=7 16-( ) =9 8+( ) =14 ( )-1=12 ( )+6=7 ( )-7=4 ( ) -11=5 16-( ) =4 3+( ) =13 ( ) +3=11 2+( ) =9 第 2 页 共 6 页9-( ) =7 ( ) -15=0 16-( )=5 ( )+3=9 5+( )=11 ( )+4=15 12-( )=7 ( )+6=17 4+( )=7 18-( )=8 ( )-3=13 14-( )=
3、11 19-( )=6 ( )-1=15 2+( )=15 ( )+8=10 2+( )=16 ( )+12=16 ( )-7=13 1+( )=12 0+( )=8 14-( )=5 19-( )=16 ( )+2=5 9+( )=14 ( )+9=17 15-( )=14 17-( )=9 ( )+11=16 ( )+6=16 ( )-11=3 6+( )=13 13-( )=7 16-( )=4 ( )+2=17 ( )+6=12 ( )-10=5 ( )+7=15 ( )+7=16 ( )+0=18 ( )-7=4 ( )-7=11 13+( )=19 ( )+4=17 ( )+6=1
4、3 17-( )=8 18-( )=1 ( )+14=16 19-( )=12 19-( )=5 ( )+13=3 ( )-11=4( )+3=18 13+( )=18 第 3 页 共 6 页( ) +5=13 ( ) +9=11 10-( )=1 ( )-11=4 ( )+7=9 ( ) +3=7 ( )+0=16 19-( )=11 ( )+3=15 9-( )=0 2+( )=15 ( )+5=16 ( )+10=13 ( )+7=12 ( )+8=15 ( )-4=15 3+( )=16 7+( )=14 15-( )=4 6+( )=15 8+( )=16 ( )+1=10 ( )-
5、8=5 10-( )=2 ( )+4=11 19-( )=5 7+( )=12 19-( )=9 ( )-8=12 2+( )=12 12-( )=3 7+( )=19 2+( )=13 15-( )=3 10-( )=8 ( )-0=10 7+( )=12 6+( )=10 ( )-19=0 ( )+4=13 ( ) +2=17 ( ) +3=12 12-( )=2 11+( )=19 ( )-6=11 15-( )=3 5+( )=5 ( ) -3=8 12-( )=3 ( )-4=11 3+( )=17 ( ) -9=2 18-( )=5 ( )+4=13 第 4 页 共 6 页9+(
6、)=3 14-( )=6 12-( )=10 14-( )=9 15-( )=14 ( )-9=10 15-( )=0 ( )+6=16 12-( )=5 ( )-12=0 ( )-5=11 18-( )=9 14-( )=8 13+( )=19 15-( )=4 ( )-1=0 13-( )=7 ( )+7=13 11-( )=2 7+( )=13 ( ) +9=12 ( ) +4=12 ( )+1=10 9-( )=4 19-( )=5 12+( )=12 ( )-13=0 ( )-14=4 ( )+3=11 ( )-6=5 ( )-7=5 ( )+8=14 ( )+2=7 ( )-5=9
7、 15-( )=1 ( )+2=3 ( )-5=4 13-( )=6 14-( )=9 ( )-0=2 14-( )=9 15-( )=7 ( )+1=9 ( )-9=214-( )=6 ( )+6=14 ( ) +8=9 12+( )=7 ( ) +9=16 10-( )=7 0+( )=5 ( )+6=13 ( )+3=12 ( ) -2=8 第 5 页 共 6 页5+( )=10 ( )+3=5 ( ) -6=5 12-( )=8 12-( )=4 15-( )=7 11+( )=18 14-( )=8 ( )+6=12 ( )+0=0 ( )+7=11 ( )+9=11 ( )+8=1
8、1 4+( )=16 8+( )=9 ( )+5=6 7-( )=7 ( )-7=8 ( )+3=18 2+( )=15 16-( )=5 ( )+5=8 ( )-1=16 ( )+0=15 ( )-4=15 ( )+6=11 ( )-5=1 16-( )=3 ( )-8=11 ( )+9=16 15-( )=13 19-( )=7 13-( )=5 18-( )=16 17-( )=5 ( )+4=15 4+( )=13 ( )+3=11 ( ) -3=8 ( )-16=1 ( )-2=16 4+( )=11 ( ) +6=13 5+( )=7 ( ) -6=8 17+( )=19 ( )+
9、15=19 ( )+8=18 ( ) -4=14 ( )-14=10 ( )-4=12 17-( )=5 ( )+12=16 9+( )=12 第 6 页 共 6 页( )+13=18 3+( )=18 12-( )=4 ( )+2=14 ( )+1=10 ( ) -0=6 11-( )=7 3+( )=11 ( )+0=6 ( )+0=9 ( )+5=7 ( )-9=5 2+( )=18 7+( )=8 6-( )=4 ( )+7=15 ( )+8=15 ( )-3=5 3+( )=9 7+( )=14 19-( )=16 8+( )=17 8+( )=14 1+( )=10 12-( )=5 16-( )=2 3+( )=19 ( )+4=18 ( )+6=13 ( )-9=8 ( )-17=2 ( )+4=16 10-( )=2 ( )+6=10 ( ) +3=13 16-( )=5