13.(2015四川内江中考)ImissedhiscallbecauseatthattimeIashower.A.hadB.havehadC.haveD.washaving
13. (2015 四川内江中考) I missed his call because at that time I a shower.
A. had B. have had
C. have D. was having
已知函数f(x)=ax,0<x≤1logax,x>1(a>0且a≠1),若f(3a2)>f(1-2 2020-05-13 …
给出平面上4个点O(0,0),A(3,0),B(0,3),C(sina,cosa),(1)若向量A 2020-05-16 …
7分之1*()=()/13分之1=()*0.875=()*75%=13 又26分之9-()=2如果 2020-05-16 …
已知点P在直线x+3y-2=0上,点Q在直线x+3y+6=0上,线段PQ的中点为M(x0,y0), 2020-05-17 …
如图,二次函数y=ax2+2x-3的图象与x轴有一个交点在0和1之间(不含0和1),则a的取值范围 2020-06-12 …
若函数f(x)=log2x在x∈[1,4]上满足f(x)≤m2-3am+2恒成立,则当a∈[-1, 2020-06-27 …
根据12×13=156,在横线里填数.0.12×13=1.2×0.13=1.2×1.3=0.12× 2020-07-18 …
口算13.2+0.08=2.13-0.1=5.7+13=5.82+0.2=4.8×10=0.51×1 2020-10-31 …
帮忙写几道难题1.步行或骑自行车:人均每公里()千克碳排放.A、基本为零B、0.09C、0.172. 2020-12-24 …
我们知道,无限循环小数都可以转化为分数,例如:将0.333…(3为循环节)转化为分数时,可设a=0. 2021-01-22 …