计算.
(分数,先填分子,后填分母)|
(1) |
(2) |
|
(3) |
(4) |
|
(5) |
(6) |
|
(7) |
(8) |
|
(9) |
用竖式计算并验算.
|
98 ×76= |
验算: |
用竖式计算并验算.
|
54 ×32= |
验算: |
用竖式计算.
|
(1)32 ×89= |
(2)39 ×47= |
计算.
(分数,先填分子,后填分母)|
(1) |
(2) |
|
(3) |
(4) |
|
(5) |
(6) |
|
(7) |
(8) |
|
(9) |
用竖式计算并验算.
|
98 ×76= |
验算: |
用竖式计算并验算.
|
54 ×32= |
验算: |
用竖式计算.
|
(1)32 ×89= |
(2)39 ×47= |