问题 解答题
找朋友,连一连
2
3
1
4
2.5
2
5
0.24:0.08
0.36:0.45 2
2
3
7
10
64:6
600
1.5
4
5
10
2
3
7
15
2
3

1.5:
3
5
40 31
3
5
:4.
答案

2
3
1
4
=
2
3
÷
1
4
=
2
3
×4=
8
3

0.36:0.45=0.36÷0.45=

4
5

600
1.5
=600÷1.5=400,

1.5:

3
5
=1.5÷
3
5
=1.5×
5
3
=2.5,

0.24:0.08=0.24÷0.08=3,

64:6=64÷6=10

2
3

7
15
2
3
=
7
15
÷
2
3
=
7
15
×
3
2
=
7
10

1

3
5
:4=
8
5
÷4=
8
5
×
1
4
=
2
5

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单项选择题