题目内容
找朋友,连一连
:
2.5
0.24:0.08
0.36:0.45 2
64:6
10
:
1.5:
40 3 1
:4.
| 2 |
| 3 |
| 1 |
| 4 |
| 2 |
| 5 |
0.36:0.45 2
| 2 |
| 3 |
| 7 |
| 10 |
| 600 |
| 1.5 |
| 4 |
| 5 |
| 2 |
| 3 |
| 7 |
| 15 |
| 2 |
| 3 |
1.5:
| 3 |
| 5 |
| 3 |
| 5 |
分析:先化简比,再连线.在化简比时,用比的前项除以后项即可.
解答:解:
:
=
÷
=
×4=
,
0.36:0.45=0.36÷0.45=
,
=600÷1.5=400,
1.5:
=1.5÷
=1.5×
=2.5,
0.24:0.08=0.24÷0.08=3,
64:6=64÷6=10
,
:
=
÷
=
×
=
,
1
:4=
÷4=
×
=
.

| 2 |
| 3 |
| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 4 |
| 2 |
| 3 |
| 8 |
| 3 |
0.36:0.45=0.36÷0.45=
| 4 |
| 5 |
| 600 |
| 1.5 |
1.5:
| 3 |
| 5 |
| 3 |
| 5 |
| 5 |
| 3 |
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 |
| 8 |
| 5 |
| 8 |
| 5 |
| 1 |
| 4 |
| 2 |
| 5 |
点评:此题考查了比的化简:用比的前项除以后项,是分数的要化成最简分数.
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