摘要:12-9-3= (3)3+7+1= 6+5+3= (6)6+4+8= 6+4+2= (9)11-1-8= 4+4+3= (12)7+2+3= 11-6-3= (15)14-7-4=
网址:http://m.1010jiajiao.com/timu3_id_576332[举报]
口算.
|
(1)7 ×6= |
12 -6= |
9 ×9= |
81 ÷9= |
4 ×9+12= |
|
(2)14 ÷2= |
21 ÷7= |
8 ×6= |
49 -7= |
40 +5×8= |
|
(3)27 ÷9= |
45 ÷9= |
42 ÷7= |
72 ÷8= |
63 ÷9-7= |
|
(4)40 ÷5= |
56 ÷8= |
64 ÷8= |
30 ÷6= |
80 -3×8= |
|
(5)8 ×2= |
4 ×5= |
45 ÷5= |
5 ×7= |
2 ×6÷4= |
口算.
|
(1)7 ×6= |
12 -6= |
9 ×9= |
81 ÷9= |
4 ×9+12= |
|
(2)14 ÷2= |
21 ÷7= |
8 ×6= |
49 -7= |
40 +5×8= |
|
(3)27 ÷9= |
45 ÷9= |
42 ÷7= |
72 ÷8= |
63 ÷9-7= |
|
(4)40 ÷5= |
56 ÷8= |
64 ÷8= |
30 ÷6= |
80 -3×8= |
|
(5)8 ×2= |
4 ×5= |
45 ÷5= |
5 ×7= |
2 ×6÷4= |