设a>b,用“”填空.(1)2a-5__2b-5:(2)-3.5b+1__-3.5a+1.

设a>b,用“”填空.(1)2a-5__2b-5:(2)-3.5b+1__-3.5a+1. 设a>b,用不等号填空,-5a__-5b(不等式性质__),a+3/8__b+3/8(不等式性质__),9a__9b(不等式性质__),-a__-b 已知设A大于B用大于或小于填空2A-5----- 2B-5 设a、b为正数,且a+b=1,则1/2a+1/b的最小值是__ 完形填空Dear Lily,Gold Coast(海岸) is really great!We __(1)__ a good time now.I __(2)__ this letter __(3)__ you at the swimming club on the beach（沙滩）.There are __(4)__ of people on the Gold Coast now.__(5)__ of them __(6)__ volleyball a 二次根式·选择&填空1.设a,b,c在数轴上的位置如图,则代数式√a² - |a+b| + √(-a)² + |b+c|的值为( ).___b______a____________0______cA.2c-a B.-3a-2b C.-a-c D.a2.若√a-3 + |b|=0,则a=__,b=__. 交通工具、地点的接龙填空.越快越好!越快丶追加越多!填空 __ a __ __ t __ __ __ ____ __ __ __ __s __ __ __ __ __ __ __ __ __ t__ __ __ __ e ____ __ __ ____ y __ __填字独 用英文填哦 用冠词a,an或the填空 1：I often go to swim in __ Summer.2:My mother is telling me __ the old story.3:I have __ hat.__ hat is new.4:In __ evening ,I often watch TV.5:--Where is my cap?--It's behind __ door.6:__ map on __ wall of their classroom 初一数学填空题!急!好的追分!1)单项式-a²b的系数是_____,次数是_____,2）设n表示任意一个整数,用含n的式子表示任意一个奇数为_________.3）多项式2a+3ab²-4a²b²-a²-16的最高次项是__ 填空 设集合A={1,2},集合B={2,3,5},则A ∩B= 用一般过去式填空what __you __(do)yesterday?A:what __you __(do)yesterday?B:I __(eat) a big lunch.请问这三个空格填什么? 设a>b>0,用适当的符号填空(1)b-a_0 （2）a的平方-b的平方_0（3）根号a-根号b_0 4x*2+3x-2是__次__项式；-5/3a*2b-4/3ab+1/3是__次__项式. 填空题 4..5（x-y+z）（-x+y+z）[z+(____)][_ __ __ _]=z^2-(____)^2,5,（-a+b+c）（a+b-c）=[b-(_____)] [b+(______)]=[_______] 设a=2,b=3,x=3.5,y=2.5,表达式(float)(a+b)/2+(int)x%2/4 的值为____2.5__ 二、填空题1．设集合 ,则A B= ,A B= ．2．设集合 ,则P(A)-P(B )= ,A B= ．3．设集合A有10个元素,那么A的幂集合P(A)的元素个数为 ．4．设集合A = {1,2,3,4,5 },B = {1,2,3},R从A到B的二元关系,R ={ a ,b ɨ A B c _|__|__|__|__|__|__|__|__|__|_→-3 -2 -1 0 1 2 3 4 5 6(1）将点B向左移动5个单位后,三个点所表示的数谁最小,是多少?（2）将点c向左移动4个单位后,再向右移动3个单位长度,用“＞”连接这三个点所 1.A:1__!I`m Jenny.2__3__4__?B:5__ name is Jim.A:How are you,Jim?B:7__,thank you,8__?补全对话（每空一词）