口算.
|
(1) |
(2) |
|
25 ÷5= |
77 ÷7= |
|
20 ×3= |
80 +20= |
|
88 ÷2= |
40 ×4= |
口算.
|
(1) |
(2) |
|
80 ÷4= |
50÷5 = |
|
60 -30= |
60÷6 = |
|
46 ÷2= |
11×3 = |
先口算,再笔算.
|
(1)26 ×4 |
(2)47 ×2 |
(3)31 ×6 |