口算.(分数先填分子,再填分母。)
|
(1) |
(2) |
|
(3)7000 -5000= |
(4)360 ×5= |
口算.
|
(1)110 ×6= |
800 ×2= |
410 ×2= |
78 +22= |
|
(2)120 ×4= |
900 ×5= |
104 ×2= |
240 ×2= |
口算.
|
(1)0 ×5= |
700 ×2= |
300 ×9= |
23 ×3= |
|
(2)130 ×2= |
600 ×8= |
105 ×2= |
700 ×9= |
口算.
|
(1)450 ×2= |
220 ×4= |
240 ×3= |
801 ×8= |
|
(2)210 ×4= |
800 ×6= |
700 ×7= |
900 ×3= |
口算.
|
(1)800 ×9= |
103 ×3= |
600 ×4= |
140 ×3= |
|
(2)3 ×210= |
110 ×8= |
500 ×8= |
402 ×4= |