口算
|
(1)17-(8+9)= |
|
|
(2)56÷(16-8)= |
|
(3)30+7×7= |
口算
|
(1)(50+13)÷9= |
|
|
(2)90-9-60= |
|
(3)7×(26-20)= |
口算
|
(1)62-5-30= |
|
|
(2)48-30+7= |
|
(3)46-8×5= |
口算
|
(1)17-(8+9)= |
|
|
(2)56÷(16-8)= |
|
(3)30+7×7= |
口算
|
(1)(50+13)÷9= |
|
|
(2)90-9-60= |
|
(3)7×(26-20)= |
口算
|
(1)62-5-30= |
|
|
(2)48-30+7= |
|
(3)46-8×5= |