|a-3|=_____(a
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|a-3|=_____(a
|a-3|=_____(a
|a-3|=_____(a
因为a
3-a
答案是a-3
3-A
因为A-3的结果是负数,负数的绝对值是它的相反数.所以,是3-A.
因为a<3,所以,a-3<0,所以|a-3|=3-a...
我手痒,所以来解题了,这题很简单的,你该自己想的。
话说,真心求解的话,咋一分奖励都木有捏??嘿嘿,玩笑。
|a-3|=_____(a
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