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- 1一袋面粉10千克,若增加二分之一千克是（）千克,若增加它的二分之一是（）千克
- 2There is a car race near our town every yea.
- 3已知集合A={x|6/(x+1)大于等于1,x属于R},B={x|x^2-2x-m
- 4如图,半圆O的直径是AB,AC弧=CF弧,CD⊥AB于D,交AF于点E,求证;AE=CE
- 5be shocked 的用法 we were shocked ------find that the door of our house was forced open
- 6(-x^2+3xy-1/2y^2）-（- 1/2x^2+4xy- 2/3y^2）=
- 7水果店运进苹果和橘子共320千克,苹果重量的1/5和橘子重量的1/3相等.
- 8Even he didn't know where he shuold get on the bus 同意句 Even he didn't know ____ ____ get on the
- 9什么字母组合发这音?
- 10look at the boy reading a book 和look at the boy is reading book 那个对?