小区一花坛上摆放了三种花共240盆,其中杜鹃花占25%,月季花占15%,其余是太阳花,太阳花有多少盆?
题目
小区一花坛上摆放了三种花共240盆,其中杜鹃花占25%,月季花占15%,其余是太阳花,太阳花有多少盆?
答案
240*(1-25%-15%)=144
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