口算
|
(1)3 ×1= |
(2)9 ×3= |
|
(3)6 ×3= |
(4)4 ×3= |
口算
|
(1)3 ×3= |
(2)3 ×5= |
|
(3)3 ×8= |
(4)3 ×7= |
口算.
|
(1)4 ×2= |
(2)2 ×9= |
|
(3)6 ×5= |
(4)3 ×2= |
口算.
|
(1)5 ×8= |
(2)9 ×5= |
|
(3)8 ×2= |
(4)2 ×7= |
口算.
|
(1)7 ×5= |
(2)2 ×5= |
|
(3)3 ×5= |
(4)5 ×4= |
口算.
|
(1) |
7 ×5= |
(2) |
5 ×9= |
|
7 +5= |
5 +9= |
||
|
(3) |
6 ×5= |
(4) |
9 ×2= |
|
6 +5= |
9 +2= |
口算.
|
(1) |
3 ×5= |
(2) |
5 ×5= |
|
5 +3= |
5 +5= |
||
|
(3) |
2 ×6= |
(4) |
8 ×5= |
|
6 +2= |
5 +8= |