()3.—WhatwereyoudoingwhenIphonedyouyesterdayevening?—Iwasdoinghomeworkwhilemyparentsdinnergrandma.A.cookedB.cookC.werecooking(2015四川自贡)
() 3. —What were you doing when I phoned you yesterday evening?
—I was doing homework while my parents dinner grandma.
A. cooked B. cook C. were cooking (2015四川自贡)
下面给出数学描述 请大神用matlab实现这一过程.已知[xc2; yc2; 1]=[0.866 2020-05-16 …
一道负数应用题快乐果园收橙子10筐,以每筐15kg 为标准,超过标准的千克数记作正数,低于标准的千 2020-05-16 …
解方程：1：x²+2x=0 2:x²-8=0 3：x²+3x+2=0 4：x²-2x+1=0 5: 2020-05-16 …
如何解方程x-2/0.2-x+1/0.5=3（2）0.04x+0.9/0.5-x-1/2=0.03 2020-05-17 …
ansys直接建立有限元模型问题finish/clear/prep7n,1,0,0,0n,2,0, 2020-05-17 …
高数极限的问题刚才搜了一个题目X趋向无穷大lim[（(2+x)^1.5-x^1.5）/[(x)^( 2020-06-27 …
防盗窗这样算法是不是错的.长二米,宽一米,拱出0.5米.（2＋0.5×2）×（1＋0.5×2）=6 2020-07-10 …
①y-5/4+5/6(2-y/4)=2②(0.4x-1.1)/0.5+(x-5)/2=(0.03+ 2020-07-26 …
（用递等式计算，写出必要的计算过程，能简则简）（1÷0.5+0.5÷1）×0.140.4×0.4×1 2020-11-26 …
直线方程问题,不难哦两条直线l1:y=kx+1+2k,l2:y=-0.5x+2的交点在直线x-y=0 2020-12-31 …