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解:假设x个大盆友,(100-x)个小盆友, 就有3x+(100-x)/3=100, so x=25, 答:大盆友25个,小盆友75个
解:假设x个大盆友,(100-x)个小盆友, 就有3x+(100-x)/3=100, so x=25, 答:大盆友25个,小盆友75个
解:假设x个大盆友,(100-x)个小盆友, 就有3x+(100-x)/3=100, so x=25, 答:大盆友25个,小盆友75个
解:假设x个大盆友,(100-x)个小盆友, 就有3x+(100-x)/3=100, so x=25, 答:大盆友25个,小盆友75个