知识点挑题 - 小学数学 - 优优班--学霸训练营

1．直接写得数．
4
5
+
1
10
=
4
9
-
1
3
=
3
4
+
2
3
= 14×
2
21
=
2
5
×
1
6
= 5÷
2
3
=
4
3
×
3
4
=
7
8
×4×
8
7
=
1
6
+
5
6
×
1
5
=
1
2
×99+99×
1
2
=

难度：中等

解析收藏试题篮
2．口算．
0×23= 25×4= 46+38= 204×2= 620+170= 46÷7=
59×8≈ 603×7≈
3
5
+
1
5
=
5
7
+
2
7
=
5
7
-
2
7
= 1-
2
7
=

难度：中等

解析收藏试题篮
3．口算．
500×2= 7×30= 28÷7= 28÷4=
49+6= 100-49= 3600÷3= 47-28=
32÷8= 55×4= 789×0= 50×8=
1-
5
6
=
2
5
+
3
5
=
8
10
-
5
10
=
3
4
+
1
4
=

难度：中等

解析收藏试题篮
4．我是口算小神童．
60×8= 0×36= 210×4= 87-30= 212×3= 304×2=
400×6=
7
9
-
4
9
= 1-
6
7
=
6
8
-
2
8
=
3
8
+
4
8
=

难度：较易

解析收藏试题篮
5．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
6．口算：
65-48= 24×5= 320÷8= 18+45=
25+38= 36÷5= 98-89= 78÷6=
2×3+98= 8400-8000= 10000-7000= 73-35+15=
3
7
+
3
7
=
3
10
+
5
10
=
9
12
-
3
12
=
3
8
+
1
4
=

难度：中等

解析收藏试题篮
7．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
8．计算
1
3
+
1
3
=
4
5
-
1
5
= 1-
3
5
=
8
9
-
5
9
=
3
8
+
5
8
=
3
7
-
3
7
=

难度：中等

解析收藏试题篮
9．口算．
80÷4= 210×3= 600÷6= 24×20=
420÷7= 50×6= 21×40= 0÷34=
128÷4= 13×30= 720÷8= 70×30=
1
8
+
3
8
=
2
5
-
2
5
= 1-
5
7
=
1
4
+
3
4
=

难度：中等

解析收藏试题篮
10．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

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