口算.
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(1)103 ×6= |
(2)1020 ×3= |
|
|
(3)1020×4= |
(4)750-25×4= |
|
|
(5)125×2+100= |
(6)9×4×5= |
|
口算.
|
(1)40 -5= |
(2)40 ×5= |
(3)40 ÷5= |
|
(4)32 ×3= |
(5)25 ×6= |
(6)120 ×4= |
口算.
|
(1)30 ×5= |
(2)30 ÷5= |
(3)18 ×3= |
|
(4)19 ×4= |
(5)12 ×5= |
(6)16 ×5= |
口算.
|
(1)12 +2= |
(2)12 -2= |
(3)12 ×2= |
|
(4)12 ÷2= |
(5)30 +5= |
(6)30 -5= |
直接写出下面各题的得数.
|
(1)2 ×3+4= |
(2)3 ×4+5= |
|
(3)4 ×5+6= |
(4)5 ×6+7= |
|
(5)2 ×6+3= |
(6)3 ×7+4= |
|
(7)4 ×8+5= |
(8)5 ×9+6= |
口算.
|
(1)110 ×6= |
800 ×2= |
410 ×2= |
78 +22= |
|
(2)120 ×4= |
900 ×5= |
104 ×2= |
240 ×2= |
口算.
|
(1)0 ×5= |
700 ×2= |
300 ×9= |
23 ×3= |
|
(2)130 ×2= |
600 ×8= |
105 ×2= |
700 ×9= |
口算.
|
(1)450 ×2= |
220 ×4= |
240 ×3= |
801 ×8= |
|
(2)210 ×4= |
800 ×6= |
700 ×7= |
900 ×3= |
口算.
|
(1)800 ×9= |
103 ×3= |
600 ×4= |
140 ×3= |
|
(2)3 ×210= |
110 ×8= |
500 ×8= |
402 ×4= |