绿化带种有9棵柳树,松树的棵树是柳树的3倍,柳树的棵树是杨树的3倍,绿化带中有松树几棵?有杨树几棵?
人气:113 ℃ 时间:2020-06-10 19:07:10
解答
松树的棵树=9×3=27棵
杨树的棵树=9÷3=3棵
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