题目内容

2，3，2，4，5，2这组数据的中位数是3。
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7.2+2.8= 0.9÷0.01= 3.5+7.6= 3×0.2×0.5=
0.96÷0.3= 1.5×0.4= 7÷0.25= 2.5×0.7×0.8=
8-2.5= 16÷1.6= 5.6×1.01= 8×（2.5+0.25）=
0.36+0.64= 64.32÷16= 72.8÷0.8= 8.4×0.2+1.6×0.2=
8.4÷4.2= 0.05×0.8= 2.56-0.37= 1.25×0.8×0.5=
12×2.5= 1.23×3= 3.2÷1.6= 3.5+3.5×3=
19.6÷2= 8.8÷2.2= 3.9+2.03= 7.2×0.3+2.8×0.3=
13.8+9.9= 2.4×2.5= 0.75×4= （1.5+0.25）×4=
4.2÷0.1= 4.2÷3.5= 2.14-0.9= 27+456+73=
12÷0.3= 2.87÷0.7= 13÷4= 24÷4+56÷4=
1、
1
6
+
1
8
=
1
25
÷
1
100
=
1
3
÷
1
4
=
5
6
÷
1
6
=
4
5
-
3
5
=
1
6
÷
5
6
=		 5-
1
6
=
7
20
÷
1
4
=
1
6
+
1
5
=
3
5
×
1
6
=
1
2
×
4
5
=
1
6
×3=
1
2
×
2
5
=
1
4
-
1
5
=
5
8
-
1
4
=
9
10
-
9
20
=
2
3
÷
1
8
=
1
5
+
1
50
=
7
8
-
3
4
=
1
3
-
1
6
=
5
6
×
3
5
=
3
10
×135=
1
3
+
2
5
=
1
5
+
3
2
=
2
3
×
2
5
=
1
10
+
3
5
=
6
7
-
1
5
=
7
8
-
1
6
=
6
25
÷
1
5
=
9
80
-
1
10
=		 18×
5
9
=
1
7
÷
1
4
=
1
10
÷
2
15
=
7
60
÷
1
30
=
1
7
÷
5
7
=
1
5
+
1
6
=
2.4×20= 0.12×3= 0.45×2= 3×1.5=
1.2÷0.3= 1÷2= 4.8×100= 4÷0.2=
0.25×8= 0.89÷8.9= 17.8+2.2= 4.2×5=
0.8÷0.2= 5.79÷0.1= 0.35+0.65= 3.4-1.5=
8.9-0.9= 9.2-9.2= 3.6÷0.4= 0.7×11=
15.15÷15= 0.2×0.3= 1.34×4×2.5= 0.9÷4.5=
直接写得数．
0.3×0.2= 0.42÷0.7= 12-6.5-3.5= 0.8-0.35= （1.5+0.25）×4=
7.5÷0.15= 30.2×0.5= 15×0.6= 2.5×4÷2.5×4= 0.25×4=

直接写得数．
0.3×0.2=0.42÷0.7=12-6.5-3.5=0.8-0.35=（1.5+0.25）×4=
7.5÷0.15=30.2×0.5=15×0.6=2.5×4÷2.5×4=0.25×4=

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