把下列分数用除法算式表示出来. 2 7 =______÷______; 28 17 =______÷______
把下列分数用除法算式表示出来.27=______÷______;2817=______÷______;316=______÷______;111=______÷_____...
把下列分数用除法算式表示出来. 2 7 =______÷______; 28 17 =______÷______; 31 6 =______÷______; 1 11 =______÷______.
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