初一数学顶尖课课练p21～28答案?拜托拜托～各位了

没有题怎么答啊

题某那给我呀！

98年11G的比大小的题
6 w+ i8 e.a7 b:r7 xFor the line with equation y = ax + b,ab ≠ 0,the x-intercept is twice the y intercept.+ F; v9 v M3 v7 @!w2 U6 H
The slope of the line 1/2
0 V& C( a( x% G问一下 截距有正负之分么
8 }) J:C; z% L" M- S t3 k0 E还有一个也是这一年的
7 L9 L" M0 w7 `; c- {The 20 people at a party are divided into n mutually exclusive groups in such a way that the number of people in any group does not exceed the number in any other group by more than 1.7 D) i6 p1 a2 w" e
4 q3 |" t:" j9 i4 o0 D.l1 s# Y
The value of n if at 6:@+ T h) g- t c; H( r6 P!Y
least one of the groups
7 C/ ( t* s/ u# f' b:\; c consists of 3 people % B% R

怎么这么雷