小刚有30张邮票,小军的张数比小刚的4倍少10张,小军比小刚多______张.

题型:填空题

问题:

小刚有30张邮票,小军的张数比小刚的4倍少10张,小军比小刚多______张.

考点:整数,小数,分数,百分数和比例的复合应用题
题型:填空题
阅读下面一篇材料,从所给的A-G七个选项中,选出正确的选项填空,使短文通顺、内容完整。
    People all over the world do shopping in supermarkets. Who decides what you buy in the supermarkets?
1._____________ 
    When you go into the supermarket, you see shelves full of things.2.______________You pull a shopping
cart and put the things you choose in it.
    If you hear soft and slow music, you may walk slowly. If you hear fast and loud music, you may walk
quickly. 3._____________You walk slowly and have more time to choose things.
    Suppose you go to the meat department first. 4._____________The cheaper meat is at the other end of
the meat department, away from where the customers enter. You have to walk by all the expensive meant
before you find the cheaper one. 5.______________.
    That's some knowledge of supermarket science. Many supermarkets use such knowledge to make
customers stay longer and buy more.
A. Maybe you will buy some of the expensive meat instead of the cheaper meat.
B. You walk between the shelves.
C. That's why the supermarket plays slow and soft music.
D. The manager of the supermarket knows where the customers enter the meat department.
E. Do you decide or the supermarkets decide?
F. You may feel a little tired to find the cheapest meat.
G. You should learn some knowledge of supermarket science.
题型:填空题

已知:m是方程3x2-12x-1=-10的一根,则2012-m2+4m的值为______.

题型:填空题

镶贴外墙面砖、袖面砖所用的砂浆配比及厚度是()。

A.1:2水泥砂浆,砂浆厚度6~10mm

B.1:3水泥砂浆,砂浆厚度6~8mm

C.1:1:6混合砂浆,砂浆厚度15mm

D.1:2水泥砂浆,砂浆厚度10~15mm

题型:填空题

描述二进制数的数据单位有()。

A、位

B、字节

C、字符

D、字

题型:填空题

冲击韧性

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