口算:
|
(1)4 ×8= |
(2)43 +20= |
|
(3)7 ×8= |
(4)2 ×6= |
口算:
|
(1)8 ×3= |
(2)9 ×8= |
|
(3)7 ×7= |
(4)9 ×9= |
口算:
|
(1)6 ×4= |
(2)5 ×9= |
|
(3)39 +8= |
(4)3 ×7= |
口算:
|
(1)8 ×5= |
(2)9 ×4= |
|
(3)23 -7= |
(4)7 ×9= |
口算:
|
(1)6 ×7= |
(2)54 +6= |
|
(3)5 ×6= |
(4)7 ×5= |