题目内容
【题目】如果x÷3=0.18,那么x+1.56= ;(x÷3)×9= .
【答案】2.1,1.62
【解析】
试题分析: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: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;
故答案为:2.1,1.62.
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