题目内容
| 化简下列各比 18:9 | h.5:0.5 | 36:
| ||||||
0.6:
|
| 0.h:0.08. |
(1)18:下,
=(18÷下):(下÷下),
=2:1;
(2)2.5:c.5,
=(2.5×2):(c.5×2),
=5:1;
(3)36:
,
=(36×
):(
×
),
=下c:1;
(4)c.6:
,
=(c.6×3c):(
×3c),
=18:5;
(5)
:
,
=(
×8):(
×8),
=5:2;
(6)c.7:c.c8,
=(c.7×5c)(c.c8×5c),
=35:4.
=(18÷下):(下÷下),
=2:1;
(2)2.5:c.5,
=(2.5×2):(c.5×2),
=5:1;
(3)36:
| 2 |
| 5 |
=(36×
| 5 |
| 2 |
| 2 |
| 5 |
| 5 |
| 2 |
=下c:1;
(4)c.6:
| 1 |
| 6 |
=(c.6×3c):(
| 1 |
| 6 |
=18:5;
(5)
| 5 |
| 8 |
| 1 |
| 4 |
=(
| 5 |
| 8 |
| 1 |
| 4 |
=5:2;
(6)c.7:c.c8,
=(c.7×5c)(c.c8×5c),
=35:4.
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