口算．
|
(1)18 ÷3= |
(2)4 ×5= |
(3)27 ÷3= |
|
(4)12 ÷3= |
(5)5 ×9= |
口算．
|
(1)12 ÷2= |
(2)8 ÷2= |
(3)16 ÷2= |
|
(4)15 ÷5= |
(5)8 ×5= |
练习
|
(1)5 ×5= |
(2)2 ×2= |
(3)6 ×5= |
(4)4 ×6= |
|
(5)9 ×5= |
(6)7 ×3= |
(7)9 ×2= |
练习
|
(1)4 ×4= |
(2)3 ×3= |
(3)8 ×4= |
(4)2 ×5= |
|
(5)4 ×5= |
(6)3 ×6= |
(7)2 ×8= |
练习
|
(1)4 ×3= |
(2)2 ×6= |
(3)3 ×5= |
(4)1 ×4= |
|
(5)7 ×5= |
(6)2 ×7= |
(7)8 ×3= |
练习
|
(1)7 ×4= |
(2)4 ×9= |
(3)4 ×2= |
(4)5 ×4= |
|
(5)8 ×5= |
(6)2 ×3= |
(7)9 ×3= |
口算
|
(1)4 ×1= |
(2)6 ×4= |
(3)4 ×8= |
(4)4 ×3= |
|
(5)4 ×4= |
(6)7 ×4= |
(7)9 ×4= |
(8)4 ×5= |