看谁算得又对又快．
|
(1)2 ×4= |
(2)1 ＋1= |
(3)2 ×5= |
(4)4 ×5= |
看谁算得又对又快．
|
(1)3 ×2= |
(2)1 ×1= |
(3)5 ×5= |
(4)6 ×6= |
看谁算得又对又快．
|
(1)3 ×4= |
(2)1 ×5= |
(3)4 ＋6= |
(4)2 ＋1= |
看谁算得又对又快．
|
(1)4 ＋4= |
(2)5 ×6= |
(3)5 ×3= |
(4)2 ×6= |
看谁算得又对又快．
|
(1)2 ×2= |
(2)2 －2= |
(3)4 －3= |
(4)3 －2= |
看谁算得又对又快．
|
(1)1 ×1= |
(2)2 ×1= |
(3)4 ×3= |
(4)3 ×2= |
看谁算得又对又快．
|
(1)4 ×2= |
(2)3 ×4= |
(3)3 ×3= |
(4)2 ×3= |
算一算．
|
(1)2 ＋3= |
(2)2 ×3= |
(3)3 －3= |
(4)3 ×3= |
算一算．
|
(1)3 ×1= |
(2)3 －1= |
(3)2 ×2= |
(4)2 ＋2= |
