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问题
解答题
一辆汽车从甲地开往乙地,已经行了全程的
1
3
,离中点18千米.从甲地到乙地有多少千米?
答案
18÷(
1
2
-
1
3
)
=18÷
1
6
=108(千米)
答:两地相距108千米.
填空题
选词填空。
dishes try use set helpful
1. Can you
the table, Amy?
2. I can do the
.
3. Are you
at home, Chen Jie?
4. I'd like to have a
.
5. Robot can't
a computer.
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解答题
(2x-4)(-3
x
2
+
1
2
x+1)
.
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