题目内容
化简下列各比.
:
24:48. 8:0.71:0.25.
| 1 |
| 8 |
| 3 |
| 4 |
(1)
:
,
=(
×8):(
×8),
=1:6;
(2)24:48,
=(24÷24):(48÷24),
=1:2;
(3)8:0.7,
=(8×10):(0.7×10),
=80:7,
(4)1:0.25,
=(1÷0.25):(0.25÷0.25),
=4:1.
| 1 |
| 8 |
| 3 |
| 4 |
=(
| 1 |
| 8 |
| 3 |
| 4 |
=1:6;
(2)24:48,
=(24÷24):(48÷24),
=1:2;
(3)8:0.7,
=(8×10):(0.7×10),
=80:7,
(4)1:0.25,
=(1÷0.25):(0.25÷0.25),
=4:1.
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