摘要:9+=4 3+=6 3+-4=6 8-=6 =2 7+=10 =5 9+=14
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(1)12 -5= |
(2)14 -5= |
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(3)12 -6= |
(4)14 -6= |
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(5)12 -7= |
(6)14 -7= |
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(7)12 -8= |
(8)14 -8= |
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(9)12 -9= |
(10)14 -9= |
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(1)12 -5= |
(2)14 -5= |
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(3)12 -6= |
(4)14 -6= |
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(5)12 -7= |
(6)14 -7= |
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(7)12 -8= |
(8)14 -8= |
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(9)12 -9= |
(10)14 -9= |
口算.
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(1)7 ×6= |
12 -6= |
9 ×9= |
81 ÷9= |
4 ×9+12= |
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(2)14 ÷2= |
21 ÷7= |
8 ×6= |
49 -7= |
40 +5×8= |
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(3)27 ÷9= |
45 ÷9= |
42 ÷7= |
72 ÷8= |
63 ÷9-7= |
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(4)40 ÷5= |
56 ÷8= |
64 ÷8= |
30 ÷6= |
80 -3×8= |
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(5)8 ×2= |
4 ×5= |
45 ÷5= |
5 ×7= |
2 ×6÷4= |
口算.
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(1)7 ×6= |
12 -6= |
9 ×9= |
81 ÷9= |
4 ×9+12= |
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(2)14 ÷2= |
21 ÷7= |
8 ×6= |
49 -7= |
40 +5×8= |
|
(3)27 ÷9= |
45 ÷9= |
42 ÷7= |
72 ÷8= |
63 ÷9-7= |
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(4)40 ÷5= |
56 ÷8= |
64 ÷8= |
30 ÷6= |
80 -3×8= |
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(5)8 ×2= |
4 ×5= |
45 ÷5= |
5 ×7= |
2 ×6÷4= |