乘除法口訣口算練習(xí)

1、1.7 x 5 =8 x 8 =3 x 4 =35 - 72.6 x 9 =72 - 8 =56 - 7 =12 - 23.6 x 8 =40 - 8 =4 x 9 =4 x 8 :4.16 - 4 =7 x 9 =72 + 8 =40 - 55.7 x 9 =56 - 7 =21+ 3 =5 x 4 :6.54 + 6 =35 - 7 =5 x 8 =3 x 2 :7.10 + 2 =8 - 4 =3 x 3 =3 x 7 :8.5 x 7 =24 - 3 =24 + 6 =48 - 89.2 x 4 =8 x 3 =4 x 8 =63 - 910.10 + 2 =12 - 4 =6 x 4

2、 =7 x 7 :11.63 + 9 =9 x 4 =2 x 3 =36 - 412.12 + 3 =8 - 2 =14 - 2 =7 x 8 :13.9 x 3 =8 x 6 =40 + 5 =14 - 714.35 - 5 =14 - 7 =9 x 6 =10 + 515.5 x 9 =18 - 9 =6 x 2 =2 x 6 :16.9 x 8 =16 - 8 =5 x 2 =2 x 2 :17.3 x 6 =7 x 3 =21+ 7 =7 x 8 :18.20 - 4 =2 x 7 =56 - 7 =28 - 419.8 x 4 =9 x 7 =54 + 6 =28 - 720.35

3、- 7 =3 x 6 =15 - 3 =6 x 3 :21.16 + 2 =16 - 8 =4 x 3 =4 x 4 :22.9 x 3 =6 x 6 =24 + 3 =9 x 4 :23.2 x 6 =7 x 3 =16 - 4 =4 x 8 :24.3 x 9 =7 x 4 =3 x 5 =6 x 8 :25.10+ 2 =9 x 3 =56 * 7 =8 x 5 :1.49-7 =36 * 6 =7 x 4 =6 * 22.7 x 4 =4 x 3 =3 x 5 =9 x 6 :3.3 x 6 =16 * 2 =27 * 9 =8 x 2 :4.24+ 4 =5 x 5 =18 * 6

4、=6 x 3 :5.3 x 9 =18 * 2 =24 * 3 =6 x 4 :6.48* 6 =5 x 6 =54 * 9 =8 x 4 :7.4+ 2 =5 x 2 =8 x 7 =72 * 88.35* 7 =48 * 8 =81* 9 =6 x 3 :9.56* 8 =8 x 7 =48 * 8 =12 * 610.4 x 3 =8 x 3 =9 x 6 =24 * 411.28* 7 =7 x 8 =5 x 9 =6 x 8 :12.3 x 8 =27 * 9 =2 x 7 =10 * 213.14* 7 =4 * 2 =36 * 6 =3 x 7 :14.6 x 4 =2 x 7

5、=18 * 9 =4 x 4 :15.20* 4 =56 * 7 =2 x 7 =8 x 3 :16.64* 8 =54 * 9 =48 * 8 =9 x 3 :17.3 x 8 =16 * 2 =56 * 8 =49 * 718.7 x 9 =3 x 9 =4 x 2 =4 * 219.8* 4 =56 * 8 =6 * 2 =24 * 820.2 x 2 =24 * 6 =36 * 6 =9 x 8 :21.5 x 4 =9 x 7 =4 x 5 =8 * 422.64 + 8 =24 - 6 =18 - 3 =2 x 8 :23.36 - 9 =2 x 5 =9 x 6 =24 - 82

6、4.48 - 6 =14 - 2 =4 x 5 =30 - 625.54 - 9 =35 - 7 =8 x 2 =8 - 21.6 x 8 =7 x 4 =7 x 7 =8 x 5 :2.32 - 4 =18 - 6 =28 - 4 =8 x 9 :3.8 x 8 =18 - 3 =9 x 5 =3 x 4 :4.63 - 7 =45 - 9 =5 x 7 =9 x 2 :5.54 - 6 =42 - 7 =4 x 4 =7 x 2 :6.9 x 6 =35 - 7 =9 x 2 =2 x 7 :7.3 x 7 =3 x 9 =9 x 3 =6 x 3 :8.64 - 8 =35 - 7 =6

7、 x 6 =12 - 29.8 x 7 =36 - 9 =8 x 8 =42 - 610.24 - 6 =30 - 6 =7 x 6 =12 - 611.3 x 6 =4 x 4 =16 + 2 =6 x 6 :12.35 - 5 =8 x 8 =24 - 8 =4 x 7 :13.9 x 2 =56 - 8 =20 - 5 =5 x 7 :14.9 x 3 =2 x 3 =2 x 2 =30 - 615.4 x 3 =3 x 8 =4 x 2 =45 - 916.3 x 2 =3 x 7 =16 - 4 =40 - 817.5 x 5 =6 x 7 =54 + 6 =21- 718.6 x

8、9 =18 - 9 =14 - 2 =8 x 9 :19.8 x 7 =21 + 7 =35 - 7 =7 x 5 :20.9 - 3 =32 * 8 =45 * 9 =24* 421.16 + 8 =54 * 6 =9 x 3 =30* 622.6 x 7 =7 x 9 =9 x 6 =54* 623.72 - 9 =12 * 2 =16 * 2 =28* 724.40 - 5 =27 * 3 =12 * 3 =9 x 3 :25.5 x 4 =20 * 5 =16 * 4 =21* 31.21 + 7 =4 x 4 =6 x 5 =16* 42.8 x 7 =6 x 2 =2 x 4 =5

9、6* 73.9 - 3 =3 x 9 =2 x 6 =36* 94.48 - 8 =42 * 7 =21* 3 =9 x 3 :5.36 - 4 =6 x 7 =2 x 8 =56* 76.49 - 7 =9 x 2 =4 x 4 =21* 77.18 + 6 =3 x 3 =6 x 5 =4* 28.30 * 5 =18 * 3 =6 x 7 =20* 59.6 - 2 =6 x 3 =6 x 9 =40* 810.8 x 7 =4 * 2 =3 x 8 =8 x 2 :11.12 * 6 =8 x 5 =4 x 9 =2 x 6 :12.7 x 8 =54 * 6 =4 x 8 =6 x

10、5 :13.6 x 4 =64 * 8 =2 x 6 =4 x 7 :14.3 x 7 =56 * 8 =8 x 9 =8 x 5 :15.5 x 9 =9 x 3 =42 * 7 =5 x 7 :16.4 x 9 =10 * 5 =8 x 5 =12* 417.3 x 4 =36 * 6 =35 * 7 =5 x 3 :18.40 - 8 =2 x 8 =45 + 9 =20 - 419.9 x 4 =56 - 8 =4 x 4 =18 - 220.14 - 2 =8 x 2 =16 + 2 =54 - 921.36 + 9 =3 x 2 =16 - 4 =7 x 5 :22.12 + 3

11、=6 x 8 =7 x 8 =9 x 7 :23.9 x 9 =3 x 2 =16 + 2 =2 x 9 :24.6 x 6 =72 - 8 =36 + 4 =35 - 725.8 x 3 =6 x 4 =12 - 4 =72 - 91.5 x 8 =3 x 4 =9 x 8 =5 x 7 :2.45 + 5 =18 - 6 =7 x 8 =35 - 73.12 + 2 =9 x 2 =12 + 6 =6 x 9 :4.48 - 6 =3 x 8 =36 - 9 =3 x 4 :5.5 x 5 =9 x 4 =36 + 4 =6 x 5 :6.10 + 2 =16 - 4 =12 - 4 =1

12、6 - 27.5 x 5 =9 x 3 =9 x 5 =6 x 4 :8.8 x 7 =9 x 4 =8 x 9 =8 x 6 :9.16 - 4 =56 - 8 =63 - 7 =4 - 210.3 x 8 =32 - 8 =10 + 2 =5 x 5 :11.2 x 2 =5 x 2 =5 x 8 =5 x 6 :12.24 - 4 =3 x 6 =3 x 4 =4 - 213.63 - 9 =6 - 3 =36 + 4 =5 x 3 :14.2 x 6 =27 - 3 =5 x 6 =7 x 8 :15.2 x 2 =3 x 2 =14 - 7 =8 - 216.7 x 7 =48 -

13、8 =7 x 4 =9 x 9 :17.36 + 9 =6 - 2 =36+ 4 =3 x 2 :18.6 x 9 =5 x 5 =8 x 2 =16 * 419.6 x 4 =8 x 5 =4 x 6 =6 x 3 :20.9 x 7 =40 - 5 =56-7 =8 x 7 :21.18 + 2 =9 x 3 =8 x 5 =42 * 622.4 x 8 =5 x 6 =2 x 6 =40 * 523.21 + 7 =36 - 4 =3 x 4 =5 x 7 :24.14 - 7 =56 - 7 =2 x 2 =7 x 3 :25.42 - 7 =45 - 5 =81+ 9 =2 x 9

14、:1.56 - 7 =48 - 8 =2 x 9 =32 * 82.4 x 2 =6 x 3 =14+ 2 =15 * 53.7 x 6 =8 x 6 =8+ 4 =4 x 9 :4.9 x 4 =6 x 3 =2 x 5 =2 x 7 :5.5 x 4 =3 x 6 =72+ 8 =9 x 6 :6.6 x 5 =6 x 6 =2 x 2 =2 x 9 :7.24 - 6 =8 x 7 =3 x 9 =49 * 78.4 x 6 =5 x 7 =5 x 9 =30 * 59.2 x 5 =8 x 6 =5 x 7 =2 x 7 :10.28 - 4 =8 x 9 =3 x 5 =7 x 5

15、:11.49 - 7 =7 x 6 =9 x 6 =2 x 5 :12.54 - 6 =8 - 2 =32+ 4 =5 x 7 :13.49 - 7 =5 x 3 =42* 6 =2 x 6 :14.4 x 8 =6 x 7 =7 x 8 =16* 415.12 + 3 =2 x 5 =4 x 4 =54* 616.30 - 6 =3 x 6 =5 x 8 =24* 417.5 x 5 =6 x 2 =7 x 9 =7 x 3 :18.15 + 5 =42 * 7 =16 * 2 =49* 719.8 x 3 =7 x 5 =45 * 9 =36* 920.20 - 4 =10 * 5 =4

16、x 7 =18* 621.21 + 7 =18 * 2 =2 x 6 =28* 722.8 x 5 =9 x 8 =12 * 6 =6* 323.18 + 3 =8 x 6 =6 x 7 =3 x 4 :24.2 x 4 =6 x 8 =72 * 9 =72* 825.9 x 5 =48 * 8 =2 x 8 =5 x 5 :1.24 - 3 =4 x 7 =72 * 8 =9 x 4 :2.32 - 4 =2 x 3 =40 * 5 =7 x 2 :3.42 - 7 =5 x 9 =81* 9 =16* 44.14 - 2 =24 * 4 =8 x 9 =2 x 2 :5.16 - 4 =2

17、4 * 3 =54 * 9 =4 x 7 :6.36 + 4 =28 * 4 =5 x 2 =15* 57.5 x 2 =56 * 8 =18 * 3 =42* 78.42 - 6 =32 * 4 =7 x 7 =3 x 9 :9.7 x 7 =36 * 6 =36 * 9 =14* 210.8 x 9 =27 * 9 =9 x 5 =8 x 2 :11.30 * 5 =72 * 9 =5 x 9 =4 x 4 :12.6 x 2 =81 + 9 =42 + 6 =8 x 5 :13.7 x 5 =4 x 3 =27 + 9 =8 - 214.2 x 5 =10 - 2 =4 x 2 =40

18、- 515.42 + 6 =5 x 2 =35 - 7 =48 - 816.21 + 3 =27 - 3 =28 - 4 =24 - 417.9 - 3 =32 - 8 =7 x 2 =5 x 6 :18.9 x 3 =9 - 3 =81+ 9 =21- 719.9 x 4 =36 - 9 =7 x 2 =9 x 7 :20.42 - 6 =8 x 5 =42 - 7 =54 - 621.6 x 9 =5 x 6 =4 x 8 =15 - 322.2 x 3 =6 x 7 =2 x 8 =21- 323.7 x 4 =3 x 5 =63 - 9 =2 x 8 :24.8 x 8 =5 x 4

19、=15 + 5 =35 - 525.30 - 6 =2 x 5 =7 x 5 =4 x 8 :1.4 x 4 =3 x 3 =56 - 8 =27 - 32.10 + 5 =20 - 5 =9 x 5 =14 - 73.54 - 9 =9 x 6 =18 + 9 =24 - 34.9 x 9 =8 x 6 =5 x 9 =27 - 35.27 - 3 =7 x 7 =3 x 9 =25 - 56.21 + 3 =49 - 7 =5 x 9 =45 - 97.36 - 9 =14 - 2 =3 x 7 =5 x 4 :8.7 x 4 =35 - 5 =16 - 4 =35 - 79.2 x 7

20、=42 - 7 =12 + 2 =24 - 610.8 x 5 =9 x 8 =3 x 7 =9 x 3 :11.9 x 8 =8 x 4 =7 x 6 =5 x 7 :12.8 - 2 =2 x 7 =12 + 6 =56 - 713.54 + 9 =12 - 3 =12 - 4 =5 x 6 :14.32 + 4 =14 - 2 =4 - 2 =36 - 415.81 + 9 =20 - 5 =64 - 8 =48 - 816.16 + 8 =49 - 7 =20 - 5 =45 - 917.40 - 8 =6 x 8 =15 + 5 =3 x 5 :18.18 + 6 =8 x 5 =2

21、 x 9 =4 - 219.6 x 3 =2 x 7 =36 + 4 =8 x 5 :20.6 x 6 =7 x 2 =27 + 9 =4 x 9 :21.8 x 8 =63 - 7 =12 + 6 =2 x 3 :22.8 x 9 =5 x 7 =81+ 9 =6 x 4 :23.6 x 7 =5 x 5 =9 x 7 =3 x 6 :24.7 x 3 =45 - 5 =18 - 3 =8 x 7 :25.42 - 7 =36 - 4 =6 - 2 =8 - 41.24 - 4 =7 x 7 =9 x 8 =15 - 52.35 - 5 =42 - 7 =2 x 9 =25 - 53.2 x

22、 6 =7 x 6 =3 x 6 =7 x 8 :4.6 x 2 =56 - 7 =3 x 2 =24 - 35.21 + 7 =14 - 2 =56 - 8 =2 x 9 :6.25 - 5 =12 - 4 =3 x 5 =15 - 37.6 x 8 =9 x 8 =81+ 9 =42 - 68.9 x 9 =4 x 8 =12 * 3 =35 * 59.2 x 8 =25+ 5 =6 x 4 =9 x 2 :10.56 + 7 =6+ 3 =4 x 5 =25 * 511.48 + 6 =5 x 6 =14 * 7 =4 x 7 :12.2 x 9 =8 x 8 =49 * 7 =7 x

23、5 :13.35 - 5 =72+ 8 =27 * 9 =9 x 6 :14.81 + 9 =12* 6 =8 x 3 =8 x 7 :15.3 x 5 =18* 6 =6 x 2 =16 * 416.14 - 7 =16* 8 =45 * 9 =18 * 617.3 x 6 =40* 5 =3 x 3 =10 * 218.56 - 7 =24* 4 =3 x 6 =9 x 4 :19.3 x 4 =7 x 7 =18 * 3 =7 x 9 :20.18 + 2 =6* 2 =6 x 8 =28 * 721.18 + 9 =9 x 2 =6 * 3 =36 * 922.9 x 2 =9 x 6

24、 =18 * 9 =32 * 823.3 x 7 =35* 5 =20 * 4 =3 x 6 :24.7 x 2 =18* 9 =3 x 8 =4 x 2 :25.8 x 3 =2 x 8 =2 x 3 =9 x 8 :1.54 - 9 =5 x 6 =54 * 6 =2 x 2 :2.8 x 8 =15* 3 =49 * 7 =16 * 43.56 - 7 =35* 7 =4 x 5 =3 x 5 :4.40 - 8 =14* 2 =2 x 2 =8 x 7 :5.2 x 3 =2 x 6 =6 x 6 =5 x 2 :6.9 - 3 =32+ 4 =12 * 4 =32 * 87.5 x

25、3 =42-7 =10 * 5 =54 * 68.16 + 2 =12* 6 =56 * 7 =18 * 39.14 - 2 =5 x 2 =35 * 5 =6 x 6 :10.6 x 4 =5 x 7 =49 * 7 =6 x 7 :11.8 x 3 =9 x 3 =18 * 2 =56 * 712.18 + 9 =6* 2 =56 * 7 =8 x 9 :13.72 + 8 =5 x 2 =63 * 9 =36 * 914.56 + 8 =8 x 3 =27 * 9 =20 * 515.7 x 4 =2 x 4 =36 * 9 =81* 916.25 - 5 =16* 4 =35 * 7

26、=12 * 617.16 + 8 =24* 3 =3 x 6 =2 x 8 :18.12 + 2 =6* 2 =28 * 4 =36 * 419.28 - 7 =9 x 9 =5 x 2 =24 * 420.12 + 2 =5 x 9 =3 x 9 =54 * 921.7 x 4 =54* 9 =4 x 3 =7 x 2 :22.5 x 9 =42* 6 =6 x 3 =7 x 7 :23.7 x 2 =5 x 3 =45 * 9 =2 x 4 :24.9 x 4 =5 x 2 =6 x 4 =8 x 3 :25.9 x 5 =45* 9 =5 x 8 =6 x 4 :1.24 - 4 =18

27、* 9 =54 * 6 =12 * 22.35 - 7 =3 x 6 =18 * 6 =5 x 6 :3.4 x 9 =45* 9 =12 * 6 =10 * 54.9 x 6 =9 x 4 =9 x 3 =5 x 6 :5.15 + 5 =48 - 8 =2 x 9 =14 - 76.9 x 6 =32 - 4 =48 - 8 =6 x 8 :7.4 - 2 =32 - 8 =4 x 7 =7 x 8 :8.14 - 2 =2 x 9 =8 x 2 =5 x 8 :9.2 x 8 =30 - 6 =24 - 4 =20 - 410.4 x 9 =12 - 6 =28 + 7 =15 - 51

28、1.42 - 6 =4 x 5 =5 x 9 =63 - 912.2 x 8 =54 - 6 =3 x 6 =45 - 913.42 - 7 =4 x 8 =6 x 6 =8 x 7 :14.5 x 4 =32 - 8 =28 - 4 =9 - 315.64 + 8 =8 x 7 =4 x 4 =5 x 4 :16.9 x 6 =6 x 6 =72 + 9 =9 x 5 :17.5 x 6 =8 x 7 =48 - 8 =2 x 2 :18.8 x 4 =27 - 9 =4 x 3 =15 - 319.20 - 5 =16 - 8 =63 - 7 =9 x 4 :20.16 + 2 =9 x

29、4 =56 - 7 =45 - 521.27 - 3 =18 - 3 =36 + 4 =32 - 822.7 x 6 =14 - 2 =5 x 3 =8 - 223.81 + 9 =5 x 4 =6 x 3 =5 x 7 :24.8 x 2 =6 - 2 =16 - 4 =7 x 4 :25.8 x 7 =32 - 4 =16 + 2 =12 - 21.12 + 3 =7 x 9 =12 + 6 =36 - 62.56 + 7 =9 x 6 =6 x 9 =5 x 5 :3.12 - 4 =3 x 9 =2 x 7 =3 x 2 :4.16 + 8 =8 x 9 =6 x 2 =7 x 2 :

30、5.81 + 9 =9 x 9 =8 x 5 =5 x 6 :6.6 x 7 =18 - 3 =7 x 2 =3 x 3 :7.40 - 5 =3 x 2 =3 x 5 =6 x 8 :8.9 x 8 =9 x 4 =4 x 4 =24 * 39.56 - 7 =8 x 7 =12 * 3 =30 * 610.21 + 3 =7 x 2 =14 * 7 =27 * 311.7 x 2 =5 x 4 =21* 7 =5 x 6 :12.72 - 8 =6 - 3 =5 x 2 =8 x 6 :13.8 x 6 =10 - 5 =6 x 3 =6 * 314.8 x 7 =5 x 2 =8 * 4

31、 =6 x 7 :15.54 - 9 =8 x 9 =45 * 9 =10 * 216.12 + 6 =4 x 2 =8 x 3 =72 * 917.12 - 4 =30 * 5 =2 x 2 =9 x 8 :18.40 - 5 =8 x 7 =8 x 2 =8 * 219.9 - 3 =9 x 7 =56 * 7 =16 * 820.5 x 7 =6 x 7 =3 x 2 =6 x 9 :21.20 - 5 =6 * 2 =6 x 3 =45 * 522.10 + 5 =16 * 2 =16 * 4 =7 x 8 :23.7 x 8 =5 x 4 =5 x 3 =3 x 2 :24.35 -

32、 5 =36 * 6 =15 * 3 =8 x 4 :25.2 x 5 =30 - 6 =81- 91.6 x 4 =8 - 4 =27 - 32.15 + 3 =6 x 6 =14 - 73.36 + 4 =3 x 2 =8 x 9 :4.14 - 2 =15 - 5 =9 x 9 :5.21 + 7 =5 x 5 =10 + 56.27 - 3 =7 x 8 =21- 77.72 - 8 =9 x 2 =4 x 7 :8.9 x 6 =12 - 2 =5 x 7 :9.15 + 5 =4 x 7 =20 - 410.30 - 6 =6 x 3 =6 x 7 :11.9 x 4 =63 -

33、9 =12 - 312.3 x 4 =27 - 3 =8 x 6 :13.21 + 3 =9 x 5 =18 - 614.4 x 7 =6 x 3 =25 - 515.28 - 7 =32 - 8 =42 - 716.49 - 7 =4 x 4 =12 - 417.9 x 9 =40 - 8 =18 - 618.8 x 4 =54 - 6 =45 - 919.4 x 4 =5 x 7 =30 * 520.9 x 9 =9 x 5 =32 - 821.10 + 2 =2 x 6 =10 * 522.18 + 2 =12 - 4 =8 x 6 :15 - 3 =3 x 3 =72 + 8 =14

34、- 2 =2 x 9 =54 + 6 =8 - 4 =28 - 4 =24 - 8 =64 - 8 =2 x 8 =40 - 5 =45 - 9 =35 - 7 =20 - 5 =18 + 9 =72 + 9 =32 + 4 =4 x 2 =24 - 4 =4 - 2 =5 x 4 =32 - 8 =23.15+ 5 =24 - 8 =42* 6 =54 * 924.10+ 2 =3 x 9 =49-7 =63 * 925.3 x 7 =81 + 9 =72* 8 =27 * 31.24+ 4 =12 - 4 =8* 4 =2 x 8 :2.3 x 4 =15 - 3 =45* 5 =3 x

35、7 :3.6+ 2 =25 - 5 =8* 2 =40 * 84.2 x 6 =48 - 6 =9 x 7 =24 * 45.72+ 8 =2 x 6 =32* 4 =48 * 66.7 x 3 =54 - 6 =4* 2 =64 * 87.4 x 4 =6 - 3 =6 x 3 =40 * 88.20+ 4 =24 - 8 =81* 9 =35 * 79.4 x 2 =9 - 3 =21* 3 =18 * 910.8 x 6 =16 - 4 =49* 7 =6 x 2 :11.63+ 9 =8 x 7 =3 x 5 =36 * 412.28+ 4 =4 - 2 =5 x 2 =5 x 7 :

36、13.20+ 5 =48 - 8 =6 x 5 =18 * 314.28-7 =5 x 9 =7 x 4 =3 x 2 :15.12+ 3 =18 - 2 =6 x 4 =56 * 716.3 x 4 =30 - 6 =4 x 4 =24 * 317.35+ 5 =6 - 3 =9 x 8 =25 * 518.9 x 7 =40 - 5 =9 x 9 =6 x 7 :19.3 x 2 =7 x 2 =4 x 3 =40 * 820.9+ 3 =4 x 7 =12* 2 =2 x 8 :21.3 x 3 =18 - 9 =9 x 2 =5 x 6 :22.3 x 4 =9 x 7 =6 - 2

37、=30 - 623.30 - 6 =28 - 4 =6 x 4 =3 x 4 :24.6 x 7 =24 - 4 =4 x 8 =4 x 4 :25.35 - 5 =16 - 2 =7 x 3 =2 x 2 :1.8 x 9 =14 - 7 =9 - 3 =4 x 8 :2.5 x 9 =14 - 2 =5 x 4 =28 - 73.24 - 3 =7 x 6 =18 + 6 =4 x 9 :4.4 - 2 =7 x 9 =15 - 3 =10 + 55.35 - 7 =2 x 4 =2 x 3 =9 x 2 :6.24 - 6 =10 - 2 =8 x 3 =27 - 37.6 x 6 =1

38、8 - 6 =7 x 6 =6 x 3 :8.6 x 9 =8 x 6 =8 x 4 =56 - 79.3 x 4 =8 x 3 =7 x 3 =9 x 8 :10.21 + 3 =2 x 2 =4 x 4 =9 x 5 :11.20 - 4 =6 x 6 =2 x 2 =16 - 412.30 - 6 =6 x 4 =54 + 6 =56 - 713.3 x 5 =30 - 6 =56 - 7 =54 - 614.35 - 7 =2 x 3 =32 - 8 =7 x 4 :15.18 + 3 =6 x 3 =48 - 8 =56 * 816.21 + 3 =3 x 3 =20 - 5 =72

39、 - 917.12 + 3 =9 x 5 =3 x 3 =42 * 718.3 x 9 =10 - 5 =14 - 7 =9 x 9 :19.36 - 6 =9 x 9 =18 + 6 =2 x 2 :20.4 x 4 =6 - 3 =21+ 3 =9 x 8 :21.2 x 7 =32 - 8 =6 x 6 =2 x 5 :22.3 x 2 =7 x 6 =2 x 6 =5 x 6 :23.28 - 7 =9 x 8 =14 - 7 =3 x 7 :24.3 x 8 =4 x 3 =24 - 8 =2 x 6 :25.7 x 7 =64 - 8 =40 - 8 =14 - 21.9 x 2

40、=8 x 4 =6 x 4 =24 - 42.45 + 5 =18 - 6 =20 - 5 =24 - 33.4 x 6 =28 - 4 =30 - 6 =16 - 24.16 + 8 =5 x 8 =3 x 4 =8 x 7 :5.6 - 3 =49 - 7 =8 - 2 =4 x 7 :6.5 x 5 =8 x 8 =2 x 3 =4 x 4 :7.5 x 9 =5 x 5 =6 - 2 =63 - 78.9 x 9 =18 - 6 =2 x 4 =14 - 29.8 x 2 =30 - 6 =8 x 7 =12 - 610.24 - 3 =4 x 2 =14 - 2 =42 - 711.

41、2 x 8 =18 - 2 =6 x 2 =9 x 9 :12.2 x 7 =8 x 5 =5 x 8 =14 - 713.8 x 3 =5 x 9 =9 x 6 =8 x 2 :14.4 x 2 =45 - 9 =14 - 2 =6 x 5 :15.9 x 4 =40 - 5 =27 + 3 =72 - 916.4 x 4 =2 x 3 =3 x 8 =48 - 617.36 + 4 =3 x 7 =6 x 4 =8 * 418.9 x 9 =3 x 9 =2 x 4 =18 * 219.3 x 9 =25 - 5 =16* 4 =56 * 820.40 - 8 =42 - 7 =18* 6

42、 =32 * 821.63 - 7 =48 - 8 =8 x 7 =18 * 222.7 x 4 =2 x 6 =8 x 2 =9 x 4 :23.4 x 2 =14 - 7 =40* 5 =7 x 7 :24.4 x 5 =6 x 7 =9 x 2 =45 * 525.56 - 8 =30 * 5 =6* 2 =14 * 71.64 - 8 =36 - 4 =40* 8 =32 * 42.9 x 4 =9 x 7 =8* 2 =9 x 2 :3.8 - 4 =6 x 4 =4 x 8 =3 x 5 :4.72 - 9 =14 * 2 =5 x 2 =8 x 5 :5.6 x 3 =18 *

43、6 =8 x 2 =49 * 76.5 x 7 =2 x 7 =72* 8 =28 * 47.5 x 5 =7 x 3 =6 x 4 =56 * 88.54 - 6 =42 * 6 =56* 7 =21* 39.12 - 4 =5 x 8 =3 x 3 =16 * 210.6 x 6 =64 * 8 =7 x 4 =9 x 3 :11.48 - 8 =48 * 6 =6 x 8 =8 x 2 :12.4 x 5 =81 * 9 =2 x 5 =4 x 4 :13.9 x 6 =8 * 4 =45* 9 =4 x 8 :14.48 - 6 =9 x 9 =2 x 8 =45 * 915.3 x 2 =4 x 3 =20* 4 =72* 816.5 x 6 =36* 6 =25* 5 =35* 717.2 x 4 =5 x 4 =4 x 9 =24* 618.3 x 7 =28* 4 =24* 4 =4 x 3 :19.2 x 9 =3 x 4 =36* 6 =