题目内容
①(2x2)2•(x+1)÷x3=______;②若
1.874,
=3.979,则
=______.
| 3 | 6.3= |
| 3 | 63 |
| 3 | 6300000 |
①(2x2)2•(x+1)÷x3=4x4•(x+1)÷x3=(4x5+4x4)÷x3=4x2+4x;
②∵
=1.874,∴
=184.7.
故答案为:①4x2+4x;②184.7
②∵
| 3 | 6.3 |
| 3 | 6300000 |
故答案为:①4x2+4x;②184.7
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