五年级小数点计算题
红旗15-
1
、直接写出得数。
0.45×
2.5
=
0.8×
1.25
< br>=
0.3×
3.6
=
0.3
×
0.3
=
10×
0
.07
=
0.3×
1.4
=
0.0
5×
7
=
0.9
2×
0.4
=
0.2
×
0.26
=
0.14×
4
=
0.0
2×
0.1
=
1.2
×
0.3
=
0.2×
< br>0.4
=
8.2
+
1.8
=
100
-
35.22
=
2.3×
4
=
p>
2.5×
0.4
=
2.4×
5
=
p>
0.22×
4
=
3.25×
0
=
0.9
-
0.52
=
3.99×
1
=
p>
0×
3.52
=
12.5×
8
=
1÷
0.5=
8÷
10 =
10-1.8-7.2=
0.43+3.57=
2.5×
4×
12=
1.05×
100=
0.9×
0.8=
0.96÷
3=
1.47÷
0.7=
5.4÷
6=
4÷
0.8 =
0.16.5×
10=
0.56×
100=
3.78×
100=
3.215×
100=
0.8×
10=
4.08×
100=
1.1×
0.2
=
0.6×
0.8
=
3×
0.9=
2.5×
0.4=
3.6×
0.4=
12.5×
8=
50×
0.04=
80×
0.3 =
1.1×
9=
0.16×
5
=
1.78
+
2.2
=
9.6÷
0.6
=
1.2×
0.5-0.4
=
0.7÷
0.01
=
2.5×
0.4
=
12
-
3.9=
1.25×
8÷
1.25
=
6.6÷
0.66
=
5.37×
0+4.63
=
4.2÷
3.5
=
1.6+2.4×
0.3
=
<
/p>
2.14
-
0.9
=
27<
/p>
+
456
+
73
=
0.3×
0.3=
p>
7.2
+
2.8
=
p>
0.9÷
0.01
=
12÷
0.3=
2.87÷
0.7
< br>=
13÷
4
=
0.96÷
0.3
=
1.5
×
0.4
=
p>
7÷
0.25
=
2.5×
0.7×
0.8=
8
-
p>
2.5
=
p>
16÷
1.6
=
5.6×
1.01=
8×
(
2.
5
+
0.25
)=
0.36
+
0.64
< br>=
64.
32÷
16
=
72.
8÷
0.8
=
8.4÷
4.2
=
13.
8
+
9.9
=
2.4
×
2.5
=
0.0
5×
0.8
=
p>
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=
0.75×
4
=
(
1
.5
+
0.25
)
×
4
=
0.5×
0.8=
8.4×
0.2=
1.6
×
0.2
=
7.2×
0.3=
2.8×
0.3
=
0.9÷
0.15=
1.8×
0.4=
5.5÷
0.55=
0.08×
100=
2.2÷
0.11=
5.46
+
4.54=
12.5×
0.8=
0.35×
0.3=
1.4×
5=
2.8×
4=
19.6÷
4=
22.5×
4=
2
、用竖式计算
0.396÷
1.2=
0.756÷
0.36=
15.6×
13=
0.18×
15=
0.025×
14=
3.06×
36=
0.04×
0.12
=
3.84×2.6≈
5.76×3
=
(保留一位小数)
7.15×
22
90.75÷
3.3
3.68×
0.2
16.9÷
0.13
1.55÷
3.9
3.7×
0.016
13.76×
0.8=
5.2×
0.6
8.4×
1.3
6.4×
0.5
4.48×
0.4
5.25×
5
35.4×
4.2
0.042×
0.54
0.76×
0.32
0.25×
0.046
2.52×
3.4
1.08×
25
0.12×
0.5×
0.16
=
4.8
×
0.25
=
0.1
25×
1.4
(保留两位小数)
2.5÷
0.7=
(保留三位小数)
10.1÷
3.3=
(商用
循环小数
)
10.75÷
12.5=
(用乘法验算)
3.25×
9.04=
(用除法验算)