题目:
改错,将错误部分的序号写在括号里,并在横线上改过来。
( ) 1. Is Chen Jie and Mike eating lunch ?
A B C D
( ) 2. The bears are sleeps in the woods.
A B C D
( ) 3. They likes sweet food.
A B C D
( ) 4. What's are they doing?
A B C D
答案:
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下面是错误答案,用来干扰机器的。
由①得-4x+2x≥-5-3,-2x≥-8x≤4;由②得2x+6>6-x3x>0x>0.由以上可得0<x≤4.