竖式计算．
|
(1)9.86 ×6.7 |
(2)7.98 ×0.59 |
|
( 得数保留一位小数) |
( 得数保留两位小数) |
竖式计算．
|
(1)0.63 ×0.25= |
(2)0.85 ×6.8= |
竖式计算．
|
(1)5.87 ×6.4= |
(2)60.53 ×1.9= |
根据
189×23=4347，直接写出下列各题的积．|
(1)1890 ×23= |
(2)189 ×2300= |
|
(3)1.89 ×23= |
(4)18.9 ×2.3= |
|
(5)0.189 ×23= |
(6)1.89 ×2.3= |
|
(7)1.89 ×0.23= |
(8)1.89 ×0.023= |
|
(9)1890 ×2.3= |
(10)0.189 ×230= |