题目内容
| 化简比. 16:20 | 2:
| 0.24:4 | ||||||||
| 0.9:0.03 |
|
16:20,
=(16÷4):(20÷4),
=4:5;
2:
,
=(2×3):(
×3),
=6:4;
=(6÷2):(4÷2),
=3:2;
0.24:4,
=(0.24×100):(4×100),
=24:400,
=(24÷8):(400÷8),
=3:50;
:
,
=(
×200):(
×200),
=162:9,
=(162÷9):(9÷9),
=18:1;
0.9:0.03,
=(0.9×100):(0.03×100),
=90:3,
=(90÷3):(3÷3),
=30:1;
:
,
=(
×6):(
×6),
=4:3.
=(16÷4):(20÷4),
=4:5;
2:
| 4 |
| 3 |
=(2×3):(
| 4 |
| 3 |
=6:4;
=(6÷2):(4÷2),
=3:2;
0.24:4,
=(0.24×100):(4×100),
=24:400,
=(24÷8):(400÷8),
=3:50;
| 81 |
| 100 |
| 9 |
| 200 |
=(
| 81 |
| 100 |
| 9 |
| 200 |
=162:9,
=(162÷9):(9÷9),
=18:1;
0.9:0.03,
=(0.9×100):(0.03×100),
=90:3,
=(90÷3):(3÷3),
=30:1;
| 2 |
| 3 |
| 1 |
| 2 |
=(
| 2 |
| 3 |
| 1 |
| 2 |
=4:3.
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