题目内容
6:2.4
:
1.5:
.
| 7 |
| 8 |
| 5 |
| 6 |
1.5:
| 3 |
| 5 |
6:2.4,
=(6×10):(2.4×10),
=60:24,
=(60÷12):(24÷12),
=5:2;
6:2.4,
=6÷2.4,
=2.5;
:
,
=(
×24):(
×24),
=21:20;
:
,
=
÷
,
=
,
1.5:
,
=1.5:0.6,
=(1.5×10):(0.6×10),
=15:6,
=(15÷3):(6÷3),
=5:2;
1.5:
,
=1.5÷
,
=2.5.
=(6×10):(2.4×10),
=60:24,
=(60÷12):(24÷12),
=5:2;
6:2.4,
=6÷2.4,
=2.5;
| 7 |
| 8 |
| 5 |
| 6 |
=(
| 7 |
| 8 |
| 5 |
| 6 |
=21:20;
| 7 |
| 8 |
| 5 |
| 6 |
=
| 7 |
| 8 |
| 5 |
| 6 |
=
| 21 |
| 20 |
1.5:
| 3 |
| 5 |
=1.5:0.6,
=(1.5×10):(0.6×10),
=15:6,
=(15÷3):(6÷3),
=5:2;
1.5:
| 3 |
| 5 |
=1.5÷
| 3 |
| 5 |
=2.5.
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