题目内容
化简比.
(1)3.2:0.4
(2)6米:70分米
(3)
:
(4)24:36.
(1)3.2:0.4
(2)6米:70分米
(3)
| 3 |
| 4 |
| 9 |
| 10 |
(4)24:36.
(1)3.2:0.4,
=(3.2×10):(0.4×10),
=32:4,
=(32÷4):(4÷4),
=8:1;
(2)6米:70分米,
=60分米:70分米,
=60:70,
=(60÷10):(70÷10),
=6:7;
(3)
:
=(
×
):(
×
),
=5:6,
(4)24:36,
=(24÷12):(36÷12),
=2:3.
=(3.2×10):(0.4×10),
=32:4,
=(32÷4):(4÷4),
=8:1;
(2)6米:70分米,
=60分米:70分米,
=60:70,
=(60÷10):(70÷10),
=6:7;
(3)
| 3 |
| 4 |
| 9 |
| 10 |
=(
| 3 |
| 4 |
| 20 |
| 3 |
| 9 |
| 10 |
| 20 |
| 3 |
=5:6,
(4)24:36,
=(24÷12):(36÷12),
=2:3.
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