读拼音,写汉字
kǒng xì
píng zhàng
wú xiá
yǎng wò
____
zhuàn qián
jīng zhàn
kuǎn dài
zàn shǎng
He____ find his____.
若关于x的方程2x+a=5的解为x=﹣1,则a= ____