题目内容
已知
=1.2584,
=2.711,则
=______,
=______.
| 3 | 1.993 |
| 3 | 19.93 |
| 3 | 1993 |
| 3 | -0.01993 |
∵1993=1000×1.993,
=1.2584,
∴
=12.584
∵-0.011993=-0.001×19.93,
=2.711
∴
=-0.2711.
故填12.584,-0.2711.
| 3 | 1.993 |
∴
| 3 | 1993 |
∵-0.011993=-0.001×19.93,
| 3 | 19.93 |
∴
| 3 | -0.01993 |
故填12.584,-0.2711.
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