口算下面各题,说一说是怎样想的
|
(1)130 ×2= |
(2)320 ×3= |
|
(3)340 ×1= |
(4)430 ×2= |
口算下面各题,说一说是怎样想的
|
(1)13 ×2= |
(2)32 ×3= |
|
(3)34 ×1= |
(4)43 ×2= |
口算下面各题,说一说是怎样想的
|
(1)230 ×3= |
(2)340 ×2= |
|
(3)240 ×2= |
(4)120 ×4= |
口算下面各题,说一说是怎样想的
|
(1)23 ×3= |
(2)34 ×2= |
|
(3)24 ×2= |
(4)12 ×4= |