知识点挑题 - 小学数学 - 优优班--学霸训练营

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1．直接写出得数．
4
5
+
1
2
= 5×
2
5
= 1+
2
5
= 18×
1
9
=
2
5
÷
2
5
= 3÷10%=
3
4
×
1
2
=
3
8
÷
3
2
=

难度：中等

解析收藏试题篮
2．口算．
5
7
÷5= 4.2×
5
6
=
3
5
×
1
6
÷
3
5
= 9-
7
9
=
13÷
13
7
=
19
36
+
4
9
=
4
15
÷
28
45
=
7
8
×
5
7
×8=

难度：较易

解析收藏试题篮
3．直接写出得数
5
8
×
4
7
=
13
30
×
6
13
=
3
4
-
2
3
=
4
5
+
5
4
=
8
27
×
9
10
=
2
7
÷
8
49
=
9
14
÷
3
7
=
4
17
×5=
3
4
÷
9
10
=
8
9
÷6=

难度：中等

解析收藏试题篮
4．直接写出得数
1
3
-
1
5
=
3
4
÷12= 15×
3
5
=
9
10
×
5
3
=
2
3
÷
1
9
= 8÷
2
3
=
19
50
×0=
3
4
+
5
8
=
3
2
÷
3
8
=
3
10
×
5
6
=

难度：中等

解析收藏试题篮
5．直接写得数．
4
3
×75%= 2+4%= 40÷
5
8
=
1
4
+
1
5
=
8÷20%=
5
2
×0+
2
3
=
3
8
×
4
9
= 3-
1
6
-
5
6
=

难度：中等

解析收藏试题篮
6．直接写得数
1
2
÷
1
8
=
4
7
×2.8=
3
14
÷6= 30÷
5
9
= 40×40%=
48÷120%=
1
5
÷5%=
1
4
+0.4=
1
2
×
1
3
÷
1
2
×
1
3
=
4
9
+0×
11
12
=

难度：中等

解析收藏试题篮
7．口算
1
5
×55=
4
7
×7×
a
4
=
4
5
+
1
10
= 10÷
20
7
=
35÷910=
39
40
÷78=
15
19
×
3
5
=
2
3
×
3
4
×36=
8×
1
4
+8×2= 55×3÷
11
12
= 17×13÷17×13= 0×712+18=

难度：中等

解析收藏试题篮
8．直接写出得数
1
2
+
1
4
= 18×
5
6
= 12÷
3
4
=
7
15
×
5
7
=
5
7
÷
5
7
=
5
8
÷10=
3
4
×
8
9
=
3
5
÷
3
10
=
1
3
-
1
6
= 1÷
1
5
=

难度：中等

解析收藏试题篮
9．直接写得数
4
5
+
1
5
=
3
4
_
1
4
=
2
5
×2=
3
7
×
1
3
=
1
2
÷60%=
5
9
×
3
5
=
4
9
÷4=
3
5
÷
1
5
=
12×
3
4
=
21
25
÷42= 2-
3
7
= 3
1
4
+1.75=
4
11
÷4= 1÷
3
2
×
2
3
=

难度：中等

解析收藏试题篮
10．口算．
3
7
×
4
3
=
1
3
×12=
7
8
÷
9
8
= 20÷
4
5
= 16×75%=
1
3
+
1
2
= 3-
4
5
=
5
6
÷
6
7
=
4
51
×17=
6
7
×
5
6
÷
5
6
×
6
7
=

难度：中等

解析收藏试题篮

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