如果x÷3=0.18,那么x+1.56=________;(x÷3)×9=________.

发布时间:2020-07-30 20:59:35

如果x÷3=0.18,那么x+1.56=________;(x÷3)×9=________.

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2.1    1.62
解析分析:此题应先根据等式“x÷3=0.18”求出未知数x的值,然后把求出的值分别代入x+1.56和(x÷3)×9中计算即可.

解答:x÷3=0.18,x÷3×3=0.18×3,????? x=0.54;x+1.56,=0.54+1.56,=2.1;(x÷3)×9,=0.18×9,=1.62;故
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