口算.
|
(1)56 ÷7= |
28 ÷4= |
72 ÷8= |
27 ÷3= |
|
(2)42 +9= |
54 ÷9= |
23 -7= |
45 +54= |
|
(3)5 ×8= |
67 +8= |
9 ×9+8= |
45 ÷5= |
|
(4)57 -8= |
3 ×8= |
20 ÷5= |
18 ÷9= |
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= |
计算.
|
(1)27 ÷3= |
48 ÷8= |
27 ÷9= |
49 ÷7= |
|
(2)16 ÷2= |
42 ÷6= |
54 ÷6= |
16 ÷2= |
|
(3)14 ÷7= |
18 ÷2= |
63 ÷7= |
18 ÷3= |
|
(4)6 ×6= |
35 ÷5= |
12 ÷6= |
7 ×9= |
看谁算的又对又快.
|
(1)56 ÷8= |
32 ÷4= |
35 ÷7= |
4 ×7+25= |
|
(2)54 +9= |
27 ÷9= |
28 ÷4= |
54 ÷9×8= |
|
(3)42 ÷6= |
5 ×8= |
45 ÷9= |
4 ×6÷8= |
|
(4)72 -8= |
6 ×7= |
64 -8= |
81 ÷9+35= |
|
(5)49 ÷7= |
12 +6= |
72 ÷8= |
50 -3×7= |