20以内连减1000道练习题

1、20以内连减20-9 8 =10 20=189 1 =11 -0 3 =18-9 4 =19 310=19 145 =10 -7 3 =11 -7 0 =3-0 0=14-2 10 =20 18 2 =11 -1 4 =8-5 0=16-2 4 =13 -3 9 =15-3 -11 =17 35=20 111 =19 -2 0 =17-5 8 =181 17=185 3 =118 -9 2 =I¥J X /13-5 3 =8-0 -5=17-6 -7=117 13 3 =17-0 12 =17 06=15 114 =20 -9 5 =17-6 7 =14 112=19-2 16 =2

2、0 -3 13 =852=19 10 9=10-3 0 =19 -2 4 =20-7 3 =15 78=19 127 =.;/J503=20-8 4 =. X18114=18-8 5 =16 -11 5 =;-1 '1'14-6 7 =“4 4-0 = ；15-11 -3 =13 -9 -1 =20-1 0 =L15 1 11=123 7 =11 -3 6 =15-6 4 =20 79=175 12 =16 15 1 =16 151 =9-2 0=19 18 =15 -11 0 =2 1 1 =10 00=130 10 =20 -4 3 =14-5 7 =18 410=1534

3、 =19 -3 11 =18-7 -1 =15 20=104 5 =17 -2 -1 =926=19 6 9 =18 117 =14 0 10 =i|16 13 1 =1|13 4 8 =15 0 3 =17 16 =13 110 =14 2 2 =17 7 0 =20 118 =11 4 4 =20 3 2 =15 19 =18 8 3 =16 102 =402=19 6 10 =仅供个人学习参考206 7 =816=700=17 101 =16-10 6 =17 13 0 =20 171 =19 10 6 =8-3-1=16-1 5 =904=733=14-3 2 =10-3 3 =15-

4、2 2 =16-1 3 =19-1 5 =310=13-0 -11 =12 101 =17-1 12 =19 1 2 =20 1 17 =11 63 =10 63 =17 03 =181 16 =16 13 0 =13 06 =19 95 =20 712 =20 99 =14 -2- 1 =8-52=12 35 =11 52 =20 70 =I(18 70 =14 -9- 1 =20 -0- 19 =20 57 =20 54 =19-1 17 =15-2 3 =18 123 =16-1 3 =15-5 1 =12-2 2 =17-3 8 =817=19-6 0 =19 105 =14-9 2

5、='I ,'18-10-1 =13-8 5 =“166 2 =L116-4 8 =13-2 1 =18-2 -11 =16-9 5 =17-0 2 =17-8 8 =17 122 =17 -0 8 =20 -4 0 =16 -4 7 =14 -0 3 =4 1 1 二16 -0 16 =20 -3 8 =700=i16 14 0 =J ,6-2-1=C833=,1 /750=11 -2 8 =16 -0 9 =13 -3 4 =20 -0 1 =210=20 13 7 =18 -9 3 =11 -0 10 =17 -4 6 =11 15 =14 6 0 =14 -11 2 =1

6、3 9 2 =20 5 8 =20 -9-1 =；i|17 2 9 =“20 -4-12 =17 2 12 =13 5 2 =301=18 2 9 =17 3 0 =10 0 6 =831=15 113 =12 14 =11 0 5 =17 13 1 =13 18 =14 4 2 =仅供个人学习参考202 3 =20 12 8 =15-0 2 =17 -7 4 =19 114 =17-10 4 =18-14 2 =14 130 =15 -9 -1 =19 5 0 =184 9 =18 00 =20-5 14 =17 -4 7 =11 2 7 =20-3 7 =18 512 =20 120 =1

7、8 -6 3 =20 2 15 =823=19 -9- 10 =18-1 4 =12 -4 7 =820=13-8 5 =13 75 =8-7-1=16 - 1 0 =16 0 10 =19-0 -11 =19 38 =13-9 1 =16 - 1 2 =;口 9 一 1 一 6 :II18-8 3 =17 23 =18-4 5 =13 -11 1 ='13 102 =17-12 3 =18 412 =i17 124 =20 -0 18 =13 3 4 =14-3 3 =9-27二16-5 7 =19 - 1 8 =、4，11 2 2 =13-3 8 =6-04二18-0 7 =13

8、- 1 10 =830=13-2 7 =118-11 7 = ,1 11,14-5 5 =厂一18 -3 13 =18 3 9 =20-3 6 =15 84 =X ''16-5 9 =17 -0 17 =20 8 10 =160 8 =12 20 =. . J111%20-7 0 =18 -9 1 =11 5 3 =120 161 = <11 92=19-0 0 =14 1 1 =802=i15-11 2 =.10 52 =18-5 6 =19 -5 9 =12 -0-11 =10-3 1 =3-02=19-3 16 =16 -7 0 =19 19 =14-10 2 =1

9、9 17 0 =17-0 4 =500=16 3 4 =13 121 =13 1 5 =18-0 -11 =17 -2 9 =13 8 4 =17-7 0 =13 70 =12-7 2 =12 - 1 3 =912=912=6-50=17-3 1 =20 -6 13 =16 -1-11 =15 1 0 =11 44 =18-7 -11 =12 -0 2 =12 2 9 =11 0 2 =19 30 =16-1 7 =19 -4 9 =19 2 4 =193 9 =14 05 =17-0 0 =11-3 1 =11 6 5 =15-1 4 =20 -11 6 =16-6 2 =20 10 6 =

10、14 11 1 =12-3 5 =18-11 4 =18-4 10 =19 -11 7 =10 7 3 =182 -11 =19 15 -1 =15-3 9 =18 10 6 =19 7 10 =725=16 53 =13-0 2 =12 - 1 7 =i| 16 一 8 一 2 = II12-1 7 =14 35 =19-16-1 =19 -5 13 ='17 4 13 =8-4-1=18-10 -1 =i16-8 3 =20 13 3 =18 117 =15-2 5 =15 46 =13-7 1 =11 -6 2 =、4，18 7 一 4 =20-5 12 =13 -0- 13 =

11、808=15 -8 4 =19 3 7 =18-4 10 =113 12 0 = ,1 1833=13 -7 6 =17 0 4 =19-0 3 =11 43 =16 150 =20 -3 8 =18 10 =19-0 3 =20 1 2 =. . JI I 15-1 12 =11 -6 4 =742=114-7 6 二 %20 15 0 16-5 7 =15 -4 7 =14 0 10 =i18-3 8 =.11 62 =19-4 15 =19 -7 7 =11 -5-1 =20 127 =19 -3-11 =20-2 6 =17 13 2 =14 5 9 =15 131 =16 13 0

12、=18-2 5 =20 -6 11 =910=14-2 -1 =20 13 0 =17-5 0 =10 -5 4 =862=16-6 4 =18-0- 1 =14-4 5 =18 -4 11 =19 2 10 =20-2 9 =20 117 =614=15 -4 10 =723=14-8 3 =13 85 =17-1 0 =10 -6 0 =18-8 4 =19 95 =19 123 =19 -4 -1 =18-8 9 =20 12 8 =832=19 4 一 4 =19-7 -1 =19 10 3 =19-5 12 =15 -2 3 =15-1 9 =13 29 =19 145 =14 -6

13、 -1 =16-2 2 =18 94 =15-0 2 =20 - 1 10 =20-5 6 =8-16二19 106 =18 - 1 13 =10-4 3 =8-53=16-1 10 =20 -6 4 =10-1 5 =14 48 =i18-0 5 =18 -2 16 =18-4 0 =12-2- 10 =17 104 =15 10 2 =16-2 14 =7 一 0 一 7 二19 120 =18 -5 4 =10-1 3 =119 14 -1 =15-1 5 =19 -8 9 =1厂一16-2 -11 =20 13 4 =X ''935=20 -4 3 =11 -0 0 =

14、17 1 16 =11 X s _：10 4 6 19 -7 12 =113-3 8 = <18-16 0 19-6 -11 =19 -9 9 =i17-5 4 =.19 14 0 =13-2 4 =17 -0 11 =15-9 1 =16 45 =16-4 5 =16 -7 9 =19-1 10 =11 10 0 =20-3 2 =19 -0 3 =13-8 2 =18-10 4 =17-4 10 =19 14 3 =20 114 =18 30 =9-4-1=15 13 1 =16-6 3 =16 94 =10-7 1 =18 13 3 =16 0 15 =12 3 7 =10 5 0

15、 =15 4 6 =20 117 =18 3 4 =i| 19 一 0 一 2 “13 -6-1 =16 7 0 =14 6 7 =18 100 =18 2 3 =14 7 2 =15 2 8 =12 4 8 =17 2 2 =10 3 4 =13 7 5 =20 9 7 =18 0 5 =18 5 7 =188 10 =16 -8- 1 =12-0 1 =16 -4 2 =14 17 =190 14 =20 75 =15 130 =20 -3 0 =14 2 5 =199 1 =16 412 =15-5 3 =9 1 1 =930=17-8 4 =14 03 =960=15 - 1 4 =1

16、6 102 =18-8 6 =19 73 =18-3 9 =19 -2 0 =16 5 6 =193 9 =9-53=4-3-1=16 -2 12 =16 7 7 =200 4 =12 65 =18-11 6 =20 -4 0 =i| 12 一 3 一 8 18-4 5 =14 1 5 =16-7 6 =19 -3 16 =“12 -4-2 =808=17 29 =i17-0 13 =13 -3 4 =, 17 -11 4 =15-1 -11 =16 79 =10-1 4 =8 1 1 =17 14 =15-12 0 =16 52 =13 102 =、4，17 -2 14 =18 0 16 =

17、19-8 0 =110 80 =119-6 8 =厂一17 -7 7 =17 0 5 =13-8 2 =12-2- 10 =X '''10-2 6 =17 -8 8 =20 155 =18-7 9 =15 78 =. J111% X19-2 7 =17 -3 12 =15 0 12 =120-9 2 = <10 43=20 119 =19 -3 12 =11 4 5 =i12-3 8 =.19 -0- 14 =10-0 6 =18 -9 9 =19 6 0 =17-2 0 =20 -0- 19 =14-7 0 =20 14 0 =10 2 8 =16-0 10 =

18、17 -6- 10 =14-11 0 =16 13 0 =832=17-4 9 =14 00 =20-2 -11 =13 -0 6 =20 9 5 =20-13 4 =16 -0- 10 =17-0 16 =16 -0 8 =16 105 =15-4 4 =10 55 =14-0 5 =17 -9 6 =18 18 =320=20 -6-11 =19-8 1 =13 -3 4 =14 3 10 =156 7 =15 312 =12-9 1 =16 - 1 2 =19 130 =192 10 =15 62 =14 4 一 9 =5-0-1=19 112 =11 -2 3 =11 80 =18-7

19、 2 =5 1 1 =20 12 =147 3 =8-25=18-7 9 =14 -9 5 =18 9 7 =11 -2 8 =20 85 =19-0 9 =14 -8 6 =12 10 =20-12 8 =18-6- 10 =10-0 3 =14 -6 6 =;116 3 6 =:II18-10 6 =13 26 =17-8 9 =19 13 1 ='11 13 =15-6 8 =19 17 0 =i20 170 =17 -2 10 =17 0 0 =15-1 14 =10 06 =14-0 -11 =18 -2 4 =、4，700=12-4 2 =7 一 0 一 7 二833=20

20、 13 2 = r.19 142 =19-2 7 =114 -9- 1 =113-0 13 =13 -4 -1 =705=15-2 4 =5-12= X ''17 152 =18 -0 2 =15 5 9 =20-7 7 =15 76 =. J111% X10-3 0 =13 - 1 11 =861=118-5 2 = <20 16 1 11 -3 1 =17 -4 9 =14 7 7 =i20-1 4 =.14 -8- 1 =16-1 13 =13 -9 0 =12 2 6 =14-5 4=117 39 =18-3 14 =18 -4 13 =19 -11 3 =17-

21、1 6 =20 312 =11 -5 5 =18 -11 3 =17 5 8 =15-7 -1 =20 85 =12-6 0 =17 -4 6 =20 4 6 =14-3 10 =11 1 9 =20 120 =12 -2 1 =19 8 0 =19-4 6 =20 14 0 =18-4 8 =20 10 9 =19 5 13 =189 3 =19 -3- 15 =13-3 10 =15 -2 5 =10 6 4 =153 -11 =20 17 0 =613=17 -2 9 =19 9 0 =633=14 57 =17-2 8 =14 -5 2 =19 134 =165 -11 =7-01二1

22、8-6 2 =17 -8 4 =10 5 0 =20 191 =18 93 =13-2 6 =17 -7 1 =19 114 =172 5 =12 52 =15-9 2 =13 - 1 0 =19 140 =19-3 3 =19 22 =15-1 13 =17 -4 9 =; 10 1 3 , II,742=19 13 5 =13-1 -11 =16 -2 3 =9 一 0 一 4 二19-1 17 =15 76 =i13-9 2 =19 -8 2 =, 20 -4-11 =13-11 1 =13 82 =7 一 4 一 1 二15 -3 8 =、4，11 2 2 =2 1 1 =16 68

23、=12-1 6 =15 -0 12 =13 -2-11 =16-7 -1 =120 10 10 =1117 160 =11 -2 4 =19 6 2 =19-1 10 =20 0 1 =X '''19-7 12 =16 -7 -1 =18 -2-11 =16-3 5 =5-22二. J111% X16-5 5 =17 -9 6 =15 3 8 =118 123 = <20 76=814=900=19 120 =i513=.19 90 =900=19 -9 4 =12 16 =13-3 5 =17 -4- 10 =19-3 15 =12 -5 6 =20 8 10

24、=18-2 2 =16 1 15 =917=18 -5 6 =19 2 8 =19-5 8 =20 18 1 =20-0 1 =11 -0 4 =16 19 =16 151 =15 22 =18-5 3 =18 -9 4 =18 124 =15-8 7 =20 1 6 =18-5 12 =17 -4 -1 =12 2 7 =17-1 5 =19 25 =14-3 5 =633=17 6 2 =17 15 2 =12 83 =19-5 12 =20 -0 3 =20 0 6 =7 一 4 一 0 二19 09 =16-5 8 =20 -4 14 =19 6 12 =19 1 -1 =19 10

25、9 =712=970=10 2 2 =143 8 =16 -11 3 =13-3 9 =11 -0 8 =20 -4-11 =11 -7 3 =18-0- 1 =16-7 0 =16 10 1 =19 0 15 =160 2 =9-62=17 132 =18 -6 6 =;19 4 15 =:II20-0 12 =14 70 =18-15-1 =17 10 4 ='16 -6-1 =19-6 6 =20 77 =i10-6 0 =19 -6 2 =, 18 5 9 =16-7 8 =18 69 =19 109 =17 - 1 14 =、4，912=14-0 2 =19 74 =13-0 7 =805=16 3 6 =19-8 2 =118-10 3 = ,1 119-5 5 =厂一20 -6 5 =19 3 14 =18-3 14 =17 -11 6 =15-1 0 =17 - 1 7 =970=19-5 3