2
9
×
4
5
=
4
7
×
7
12
=
2
5
×
5
8
=
3
10
×
4
9
=
7
8
×
24
35
=
15×
9
20
=
5
12
×36
=
2
5
×
3
4
=
2
9
×
4
5
=
8
45
4
7
×
7
12
=
1
3
2
5
×
5
8
=
1
4
3
10
×
4
9
=
2
15
7
8
×
24
35
=
3
5
15×
9
20
=
27
4
5
12
×36
=15
2
5
×
3
4
=
3
10
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科目:小學數(shù)學 來源: 題型:

細心算
7
9
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2
3
+
2
9
1
2
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1
3
+
1
4
1
5
+
3
8
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科目:小學數(shù)學 來源: 題型:

2
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12
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5
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5
8
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3
10
×
4
9
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7
8
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科目:小學數(shù)學 來源: 題型:

簡算下面各題.
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9
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4
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16
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15
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科目:小學數(shù)學 來源:不詳 題型:解答題

2
9
×
4
5
=
4
7
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7
12
=
2
5
×
5
8
=
3
10
×
4
9
=
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8
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