康乃馨:(3.6×20-57.6)÷(3.6-2.4)
=14.4÷1.2
=12(枝)
玫瑰:20-12=8(枝)
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花店里的康乃馨每支售价2.4元,玫瑰每支售价3.6元.妈妈买了这两种花一共20枝,用了57.6元.两种花各买了多少枝
花店里的康乃馨每支售价2.4元,玫瑰每支售价3.6元.妈妈买了这两种花一共20枝,用了57.6元.两种花各买了多少枝
数学人气:792 ℃时间:2020-03-28 02:52:16
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