99.9乘22+33.3乘34等于几的算式怎么列 - 知识问答

99.9乘22+33.3乘34等于几的算式怎么列

4个回答

99.9×22+33.3×34
=33.3×3×22+33.3×34
=33.3×66+33.3×34
=33.3×(66+34)
=33.3×100
=3330

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