知识点挑题 - 小学数学 - 优优班--学霸训练营

1．直接写出得数
3.14×20= 2×
1
5
= 1+
4
7
-
3
7
= （
1
4
+
3
4
）×9= 50%-0.05=
72÷
9
4
= 1.5×100= 1.25×8= 99×0.8+0.8= 20×70%=

难度：较易

解析收藏试题篮
2．直接写出得数．
2006-609= 0.58+0.2= 0.23÷10%= 0.18÷0.2=
1.5×40= 0÷0.08= 3÷9= 2.5+2.5÷5=
4
5
÷10=
5
8
-0.375=
2
3
×
9
8
=
1
2
+
2
3
=
2²+3²=
3
7
×2.8= 3.14×5=
5
8
×3÷
5
8
×3=

难度：中等

解析收藏试题篮
3．直接写得数
3
4
+
1
4
= 0÷
3
4
=
2
5
÷10=
5
6
-
1
6
=
3
4
×
2
3
=
5
6
×5= 2-
4
5
=
4
5
÷
5
4
=
5
7
÷
10
21
=
4
7
÷4=

难度：中等

解析收藏试题篮
4．直接写得数．
4-2.6= 0.5×0.4= 4.8÷12= 1÷
1
7
×
1
7
=
9
25
÷
1
5
=
5
6
×
8
15
=
1
3
-
1
4
=
3
4
×3÷
3
4
×3=

难度：较易

解析收藏试题篮
5．直接写得数
2-
7
15
=
5
9
×
3
5
=
5
51
×17=
5
6
×6×
1
10
=
1
4
+
1
5
= 1÷
1
14
= 0×
7
12
+
1
8
=
3
4
×
5
6
÷
5
6
×
1
10
=

难度：中等

解析收藏试题篮
6．口算．
1
4
×
8
3
=
3
10
÷
30
100
= 0.6÷10%= 8%×0.8=
6
8
×4=
7
13
×
1
7
= 0.8-25%=
4
7
÷
7
4
=
1
5
×99+
1
5
=
3
4
×
7
6
×10=

难度：中等

解析收藏试题篮
7．直接写出得数．
2.5×8= 1-0.25=
1
9
×8=
1
4
÷
2
5
=
9×0÷3=
1
8
+
3
8
= 1÷10%= 1.23×3=

难度：中等

解析收藏试题篮
8．比一比，谁算的快．
7
8
×6=
5
3
×5=
3
4
×12=
4
9
÷
2
15
=
9
14
÷
6
7
=
1
2
÷
1
4
=

难度：中等

解析收藏试题篮
9．直接写出得数．
50×1.2= 8÷
2
3
= 15-2.4=
1
3
-
1
5
=
0.1÷0.001=
7
10
×
5
21
= 1-
2
5
= 3.8+2.7=

难度：中等

解析收藏试题篮
10．口算
3
5
×
1
4
=
11
25
×
5
33
=
3
7
÷6= 8÷
1
8
=
4
5
×3×
5
4
=
1
5
÷1=
9
20
÷
3
4
=
8
25
÷
2
5
= 0÷
2
7
= 6×
1
3
×
2
5
=

难度：中等

解析收藏试题篮

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