How many children survived the crash? A. 18 B. 2 C. 20 【查看更多】

 

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A class collects ＄50 to buy flowers for a classmate who is in the hospital. Roses cost ＄3 each， and carnations cost ＄2 each. No other flowers are to be used. How many different bouquets could be purchased for exactly ＄50？_______

 

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下列語句：

①M(fèi)＝input(“How many heads”)；

②N＝input(“How many legs”)；

③A＝(4*M－N)/2；

④B＝M－A；

⑤A；

⑥print(％io(2)，B)．

其中是輸出語句的是

[　　]

A．①②

B．③④

C．⑤⑥

D．⑤

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