口算.
|
(1)4 ×6÷3= |
25 ÷5×8= |
5 ×7+24= |
|
(2)8 ×3÷6= |
56 ÷7÷4= |
2 ×4×9= |
口算.
|
(1)76 -8= |
27 +3= |
8 ×3= |
45 ÷5= |
|
(2)6 ×9= |
72 ÷8= |
81 -9= |
5 ×8= |
口算.
|
(1)28 ÷7= |
72 ÷8= |
3 ×6= |
4 ×9= |
|
(2)6 ×8= |
42 ÷7= |
72 +9= |
8 ×9= |
速算巧算
|
(1)7 ×4= |
2 ×3= |
25 -9= |
76 +7= |
|
(2)82 -9= |
42 ÷7= |
8 ×5= |
48 ÷8= |