一年级下学期口算练习2.docx

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1、一年级下学期口算练习2班级：姓名：2+19=情况：17-4 =5 + 16 =9+12 =6+15 =17-4 =14-7 =15-6=15-6 =15-6 =15-6 =15-6 =14-7 =14-7 =15-6 =15 6 =15-6 =16-5 =16-5 =16-5 =16-5 =16-5 =17-4 =16-5 =19-2 =16-5 =3+18 =9+12 =2 + 19 =3+18 =19-2=3 + 18 =7 + 14 =7+14 =2+19 =11-10 =3 + 18 =4+17 =7 + 14 =4 + 17 =7 + 14 =12-9 =8+13=8 + 13 =8

2、 + 13 =18-3 =8+13=8+13 =9 + 12 =9+12 =9+12 =9+12 =9 + 12 =2+19 =2+19 =2 + 19 =2 + 19 =2+19 =2+19 =7+14 =11-10 =8+13 =7 + 14 =17-4 =13-8 =13-8 =13-8 =12-9 =12-9 =17-4 =20-1 =94-12 =17-4 =18-3 =21-0 =7 + 14 =12-9 =2+19 =11-10 =11-10 =11-10 =11-10 =18-3 =18-3 =19-2 =19-2 =19-2=19-2 =19-2 =13-8 =13-8 =1

3、3-8 =13-8 =13-8 =13-8 =12-9=15-6 =17-4 =2+19 =14-7 =14-7 =2+19 =7+14 =7 + 14 =6 + 15 =15-6 =6+15 =18-3 =7 + 14 =8+13 =3 + 18 =21-0=3 + 18 =17-4=44-17 =4 + 17 =4 + 17 =4+17 =4 + 17 =5 + 16 =5 + 16 =5+16 =5+16 =5 + 16 =5+16 =6+15 =6+15=6+15 =6+15 =6+15 =7 + 14 =7+14 =4 + 17 =9+12 =18-3 =12-9 =20-1 =15

4、-6=17-4 =8+13 =9+12 =12-9 =5+16 =21-0 =11-10 =13-8 =11-10 =13-8 =6 + 15 =19-2 =19-2 =19-2 =19-2 =19-2 =18-3 =18-3 =11-10 =11-10 =11-10 =11-10 =12-9 =12-9 =12-9 =20-1 =20-1 =20-1 =21-0=18-3 =21-0 =6+15 =18-3 =18-3 =3 + 18 =7+14 =15-6=3+18 =2 + 19 =14-7 =3+18=4 + 17 =3+18 =11-10 =7+14 =19-2 =16-5 =8+1

5、3 =8+13 =14-7 =8 + 13 =8+13 =9+12=94-12 =9+12 =9+12 =94-12=24-19 =2 + 19 =5+16 =3+18 =64-15 =2 + 19 =3+18 =3+18 =8+13 =7+14 =5+16 =14-7 =17-4 =17-4 =16-5 =13-8 =16-5 =5 + 16 =17-4 =13-8 =16-5 =6 + 15 =16-5 =2+19=16-5 =19-2 =15-6 =15-6=14-7 =14-7 =14-7 =15-6=15-6 =15-6 =15-6 =18-3=17-4 =17-4 =17-4 =1

6、7-4 =17-4 =17-4 =13-8 =19-2 =13-8 =7 + 14 =5+16 =6+15 =7+14 =14-7 =7+14 =3+18 =3+18 =6 + 15 =19-2 =7 + 14 =8+13 =3 + 18 =8+13 =3+18 =17-4 =4 + 17 =44-17 =12-9 =44-17 =4 + 17 =12-9 =5+16 =5 + 16 =5+16 =20-1 =18-3 =5+16 =6+15 =6+15 =7 + 14 =2+19 =6+15 =6+15 =7+14 =44-17 =3 + 18 =5+16=16-5=8+13 =16-5 =

7、17-4 =17-4 =13-8 =4 + 17 =9+12 =12-9=15-6 =12-9 =4+17 =12-9 =9+12 =15-6 =18-3 =18-3=18-3 =18-3 =18-3 =14-7 =14-7 =14-7 =14-7 =14-7 =13-8 =13-8 =16-5 =16-5 =16-5 =16-5 =17-4 =11-10 =9 + 12 =6+15 =14-7 =11-10 =11-10=11-10 =12-9 =3+18=2+19 =18-3 =3+18 =4 + 17 =3+18 =12-9 =7+14 =12-9=8+13 =9+12 =8+13 =1

8、7-4 =8+13 =8 + 13 =9+12 =9+12 =9+12 =7 + 14 =13-8 =9+12=2 + 19 =2 + 19 =2+19 =2+19=2 + 19 =3 + 18 =7+14 =7 + 14 =9+12 =20-1 =8+13 =9+12 =4 + 17 =5 + 16 =12-9=12-9=8+13 =5 + 16 =21-0=11-10 =21-0 =参考答案:5 + 16 = 21 6 + 15 = 21 15-6 = 9 14-7 = 7 15-6 = 9 16-5 = 11 19-2 = 17 2 + 19 = 21 7 + 14 = 21 3 + 1

9、8 = 21 7 + 14 = 21 8 + 13 = 21 9 + 12 = 21 9 + 12 = 21 2 + 19 = 21 11-10 = 1 13-8 = 5 12-9 = 3 17-4 = 13 12-9 = 3 11-10=1 19-2 = 17 19-2 = 17 13-8 = 5 15 6 = 9 14-7 = 76 + 15 = 21 7 + 14 = 21 3 + 18 = 21 4 + 17 = 21 5 + 16 = 21 5 + 16 = 21 6 + 15 = 21 4 + 17 = 21 20-1 = 19 9 + 12 = 21 11-10=1 6 + 15

10、 = 21 19-2 = 17 11-10 = 1 12-9 = 3 20-1 = 19 21-0 = 21 3 + 18 = 21 2 + 19 = 21 3 + 18 = 21 16-5 = 119 + 12 = 21 17-4 = 13 15-6 = 9 14-7 = 716-5 = 11 16-5 = 11 16-5 = 113 + 18 = 21 7 + 14 = 21 4+17 = 21 12-9 = 318-3 = 15 9 + 12 = 21 2 + 19 = 21 2 + 19 = 21 8 + 13 = 21 13-8 = 517-4 = 13 18-3 = 152 + 1

11、9 = 21 11-10=1 19-2 = 1713-8 = 513-8 = 5 17-4 = 132 + 19 = 21 15-6 = 98 + 13 = 21 17-4 = 134 + 17 = 21 5 + 16 = 216 + 15 = 21 6 + 15 = 219 + 12 = 21 15-6 = 912-9 = 3 13-8 = 519-2 = 17 19-2 = 1711-10 = 1 12-9 = 320-1 = 19 6 + 15 = 217 + 14 = 21 14-7 = 7 11-10=18 + 13 = 212 + 19 = 21 14-7 = 715-6 = 9

12、15-6 = 916-5 = 11 17-4 = 133 + 18 = 21 19-2 = 172 + 19 = 21 7 + 14 = 218 + 13 = 21 8 + 13 = 219 + 12 = 21 2 + 19 = 212 + 19 = 21 7 + 14 = 21 13-8 = 5 20-1 = 19 21-0 = 21 11-10=1 18-3 = 15 19-2 = 17 13-8 = 513-8 = 52 + 19 = 21 7 + 14 = 216 + 15 = 21 3 + 18 = 214 + 17 = 21 4 + 17 = 215 + 16 = 21 6 + 1

13、5 = 217 + 14 = 21 18-3 = 15 17-4 = 135 + 16 = 21 11-10=1 19-2 = 17 18-3 = 15 11-10 = 1 12-9 = 321-0 = 21 18-3 = 15 15-6 = 93 + 18 = 21 7 + 14 = 218 + 13 = 2117-4 = 13 15-6 = 915-6 = 9 15-6 = 916-5 = 11 16-5 = 11 9 + 12 = 21 3 + 18 = 21 11-10=1 4 + 17 = 21 8 + 13 = 21 8 + 13 = 21 9 + 12 = 21 2 + 19 =

14、 21 7 + 14 = 21 17-4 = 1312-9 = 39 + 12 = 21 7 + 14 = 21 11-10=1 18-3 = 15 19-2 = 17 13-8 = 512-9 = 3 14-7 = 77 + 14 = 21 18-3 = 15 21-0 = 21 4 + 17 = 215 + 16 = 21 5 + 16 = 216 + 15 = 21 7 + 14 = 2112-9 = 38 + 13 = 21 21-0 = 2113-8 = 5 19-2 = 17 18-3 = 15 11-10 = 1 20-1 = 19 18-3 = 15 18-3 = 15 3 +

15、 18 = 21 4 + 17 = 21 19-2 = 1714-7 = 7+ 13 = 218 + 12 = 212 + 19 = 212 + 19 = 217 + 14 = 2117-4 = 13+ 16 = 215 + 15 = 2119-2 = 1714-7 = 715-6 = 917-4 = 1317-4 = 137+14 = 2114-7 = 76+15 = 21+ 18 = 213 + 17 = 21+ 17 = 214 + 16 = 21+ 15 = 216 + 15 = 21+ 18 = 2116-5 = 11+ 17 = 2112-9 = 315-6 = 918-3 = 1

16、514-7 = 713-8 = 516-5 = 116 + 15 = 2111-10 = 118-3 = 1512-9 = 39 + 12 = 218 + 13 = 217 + 14 = 21+ 19 = 212 + 18 = 2120-1 = 195 + 16 = 215 + 16 = 218 + 13 = 21+ 12 = 215 + 16 = 213 + 18 = 215 + 16 = 21 16-5 = 1117-4 = 1316-5 = 1115-6 = 914-7 = 715-6 = 917-4 = 1313-8 = 55 + 16 = 21+ 14 = 21 19-2 = 177

17、 + 13 = 214 + 17 = 21 12-9 = 320-1 = 196 + 15 = 216 + 15 = 215 + 16 = 21 17-4 = 139 + 12 = 214 + 17 = 21 18-3 = 1518-3 = 1514-7 = 716-5 = 1117-4 = 1314-7 = 712-9 = 33 + 18 = 21+ 14 = 217 + 13 = 21+ 12 = 21 13-8 = 52 + 19 = 21+ 14 = 217 + 13 = 21 12-9 = 321-0 = 218 + 12 = 219 + 12 = 213 + 18 = 213 +

18、18 = 2114-7 = 713-8 = 513-8 = 52 + 19 = 2115-6 = 915-6 = 918-3 = 1517-4 = 1319-2 = 176 + 15 = 213 + 18 = 217 + 14 = 213 + 18 = 2112-9 = 35 + 16 = 2118-3 = 157 + 14 = 217 + 14 = 2116-5 = 1117-4 = 1312-9 = 312-9 = 318-3 = 1514-7 = 714-7 = 716-5 = 1111-10 = 111-10=13 + 18 = 21+ 17 = 2112-9 = 317-4 = 13

19、9 + 12 = 219 + 12 = 212 + 19 = 217 + 14 = 219 + 12 = 2112-9 = 311-10=19 + 12 = 212 + 19 = 216 + 15 = 218 + 13 = 2117-4 = 1316-5 = 1116-5 = 1116-5 = 1114-7 = 715-6 = 917-4 = 1317-4 = 1313-8 = 57 + 14 = 21+ 18 = 218 + 13 = 21 17-4 = 13+ 17 = 213 + 16 = 215 + 16 = 212 + 19 = 214 + 17 = 218 + 13 = 2113-8 = 515-6 = 9+ 12 = 2118-3 = 1514-7 = 713-8 = 516-5 = 119 + 12 = 21 11-10=1+ 19 = 212 + 18 = 218 + 13 = 218 + 13 = 21+ 12 = 212 + 19 = 212 + 19 = 219 + 12 = 214 + 17 = 218 + 13 = 2121-0 = 21