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问题
解答题
有一堆货物,第一天运走了这批货物的
1
5
,第二天运走了这批货物的
3
8
,剩下的货物占这批货物的几分之几?
答案
1-
1
5
-
3
8
=
17
40
答:剩下的货物占这批货物的
17
40
.
解答题
化简与计算
(1)12-(-18)-(+7)-15
(2)(
3
4
-
7
12
+
7
6
)×(-60)
×24
(3)-1
4
-
1
7
×[2-(-4
)
2
]
(4)x-3(1+2x-x
2
)+2(3x-2-x
2
)
查看答案
连线题
你来问,我来答,连一连。
1. Do you know the pizza man?
2. May I have one apple?
3. Arc you ready to order?
4. How much are they?
5. What's your favourite fruit?
a. Sure, here you are!
b. Twenty yuan.
c. Oranges.
d. Yes, please.
e. Yes, I do
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