题目内容
如图中,▲占总个数的________;■占总个数的________;●占总个数的________.(填分数)
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分析:我们运用各种图形的个数除以总个数就是各个图形占总共的几分之几.
解答:(1)▲占总个数的分率是:
3÷9=
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(2)■占总个数的分率是:
2÷9=
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(3)●占总个数的分率:
4÷9=
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故答案为:
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点评:求一个数是另一个数的几分之几用除法计算即可.
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