题目内容
1、
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5-
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18×
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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= |
分析:根据分数、小数的四则混合运算进行计算.
解答:解:
+
=
÷
=4
÷
=1
÷
=5
-
=
÷
=
5-
=4
÷
=1
+
=
×
=
×
=
×3=
×
=
-
=
-
=
-
=
÷
=5
+
=
-
=
-
=
×
=
×135=40
+
=
+
=1
×
=
+
=
-
=
-
=
÷
=1
-
=
18×
=10
÷
=
÷
=
÷
=3
÷
=
+
=
2.4×20=48 0.12×3=0.36 0.45×2=0.9 3×1.5=4.5
1.2÷0.3=4 1÷2=0.5 4.8×100=480 4÷0.2=20
0.25×8=2 0.89÷8.9=0.1 17.8+2.2=20 4.2×5=21
0.8÷0.2=4 5.79÷0.1=57.9 0.35+0.65=1 3.4-1.5=1.9
8.9-0.9=8 9.2-9.2=0 3.6÷0.4=9 0.7×11=7.7
15.15÷15=1.01 0.2×0.3=0.06 1.34×4×2.5=13.4 0.9÷4.5=0.2
1 |
6 |
1 |
8 |
7 |
24 |
1 |
25 |
1 |
100 |
1 |
3 |
1 |
4 |
1 |
3 |
5 |
6 |
1 |
6 |
4 |
5 |
3 |
5 |
1 |
5 |
1 |
6 |
5 |
6 |
1 |
5 |
1 |
6 |
5 |
6 |
7 |
20 |
1 |
4 |
2 |
5 |
1 |
6 |
1 |
5 |
11 |
30 |
3 |
5 |
1 |
6 |
1 |
10 |
1 |
2 |
4 |
5 |
2 |
5 |
1 |
6 |
1 |
2 |
1 |
2 |
2 |
5 |
1 |
5 |
1 |
4 |
1 |
5 |
1 |
20 |
7 |
8 |
3 |
4 |
1 |
8 |
9 |
10 |
9 |
20 |
9 |
20 |
2 |
3 |
1 |
8 |
1 |
3 |
1 |
5 |
1 |
50 |
11 |
50 |
7 |
8 |
3 |
4 |
1 |
8 |
1 |
3 |
1 |
6 |
1 |
6 |
5 |
6 |
3 |
5 |
1 |
2 |
3 |
10 |
1 |
2 |
1 |
3 |
2 |
5 |
11 |
15 |
1 |
5 |
3 |
2 |
7 |
10 |
2 |
3 |
2 |
5 |
4 |
15 |
1 |
10 |
3 |
5 |
7 |
10 |
6 |
7 |
1 |
5 |
23 |
35 |
7 |
8 |
1 |
6 |
17 |
24 |
6 |
25 |
1 |
5 |
1 |
5 |
9 |
80 |
1 |
10 |
1 |
80 |
5 |
9 |
1 |
7 |
1 |
4 |
4 |
7 |
1 |
10 |
2 |
15 |
3 |
4 |
7 |
60 |
1 |
30 |
1 |
2 |
1 |
7 |
5 |
7 |
1 |
5 |
1 |
5 |
1 |
6 |
11 |
30 |
2.4×20=48 0.12×3=0.36 0.45×2=0.9 3×1.5=4.5
1.2÷0.3=4 1÷2=0.5 4.8×100=480 4÷0.2=20
0.25×8=2 0.89÷8.9=0.1 17.8+2.2=20 4.2×5=21
0.8÷0.2=4 5.79÷0.1=57.9 0.35+0.65=1 3.4-1.5=1.9
8.9-0.9=8 9.2-9.2=0 3.6÷0.4=9 0.7×11=7.7
15.15÷15=1.01 0.2×0.3=0.06 1.34×4×2.5=13.4 0.9÷4.5=0.2
点评:此题主要考查的是分数的四则混合运算.
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