问题
解答题
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答案
①x÷0.75=1.54,
x÷0.75×0.75=1.54×0.75,
x=1.155;
②1.8x=2.16,
1.8x÷1.8=2.16÷1.8,
x=1.2;
③x+6.53=21.1,
x+6.53-6.53=21.1-6.53.
x=14.57;
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①x÷0.75=1.54,
x÷0.75×0.75=1.54×0.75,
x=1.155;
②1.8x=2.16,
1.8x÷1.8=2.16÷1.8,
x=1.2;
③x+6.53=21.1,
x+6.53-6.53=21.1-6.53.
x=14.57;