6+42=____
74+9=____
8+26=____
43+6=____
55+5=____
83+7=____
10+49=____
读课文《生命与和平相爱》,作者用“后来一切都好”作为全文的结束,这样写有什么好处?
已知:如图,在△ABC,BC=2,S△ABC=3,∠ABC=135°,求AC、AB的长.
--- Look! So many colorful bicycles in two lines over there.
--- They're for public. This ______ of green smart traffic is everywhere in Xiangyang city.