题目内容
| 化简下面各比: 4.5:2.7 | 12:16 | 2:0.5. |
4.5:2.7
=(4.5×10):(2.7×10)
=45:27
=(45÷9)(27÷9)
=5:3;
12:16
=(12÷4):(16÷4)
=3:4;
2:0.5
=(2×2):(0.5×2)
=4:1.
=(4.5×10):(2.7×10)
=45:27
=(45÷9)(27÷9)
=5:3;
12:16
=(12÷4):(16÷4)
=3:4;
2:0.5
=(2×2):(0.5×2)
=4:1.
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