pi
英语单词填空pi-ni- bre-- br-ng ch-pst-ck-
(全题)已知sin(α+3pi/4)=5/13,cos(pi/4-β)=3/5,且-4/pi小于α小于pi/4,pi/4
英语根据首字母填空 The judges a____ the first prize to her for her pi
用疑问词填空1.____is your mother's job she is a nurse2.____many pi
英语用适当形式填空1.She wants____(go)fishing after lunch.2.Can you pi
1、词语填空.t[ ]me[ ]a[ ][ ]em[ ][ ]nt[ ]insh[ ][ ]pi[ ]g2、连词成句.[
用适当的介词填空:What do you do at weekends?-l often go out_____a pi
第一题 cos(a+b)=4/5.cos(a-b)= -4/5 .a+b∈[7pi/4,2pi].a-b∈[3pi/4,
已知 pi
-Pi/2
pi辟组词