题目内容
(1)计算:
=______;
(2)函数y=x-2,当x=2时y=______.
| x-1 |
| x-1 |
(2)函数y=x-2,当x=2时y=______.
(1)
=1,
故答案为:1.
(2)∵x=2,
∴x-2=2-2=0,
故答案为:0.
| x-1 |
| x-1 |
故答案为:1.
(2)∵x=2,
∴x-2=2-2=0,
故答案为:0.
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