算一算，比一比．
|
(1)13 ×30= |
(2)20 ×32= |
(3)11 ×60= |
(4)50 ×40= |
|
13 ×300= |
200 ×32= |
11 ×600= |
50 ×400= |
|
130 ×30= |
20 ×320= |
110 ×60= |
500 ×40= |
直接写得数．
|
40 ×60＝ |
420 ×20＝ |
270 ÷90＝ |
请仔细算，直接写得数．
|
(1)10 ×40= |
(2)80 ×30= |
|
(3)40 ×90= |
请仔细算，直接写得数．
|
(1)13 ×30= |
(2)10 ×65= |
|
(3)42 ×20= |