问题
解答题
解方程
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答案
①5.4+x=9.2,
5.4+x-5.4=9.2-5.4,
x=3.8;
②x-3.2=3.2,
x-3.2+3.2=3.2+3.2,
x=6.4;
③1.2x=2.88,
1.2x÷1.2=2.88÷1.2,
x=2.4;
④x÷0.5=4,
x÷0.5×0.5=4×0.5,
x=2.
解方程
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①5.4+x=9.2,
5.4+x-5.4=9.2-5.4,
x=3.8;
②x-3.2=3.2,
x-3.2+3.2=3.2+3.2,
x=6.4;
③1.2x=2.88,
1.2x÷1.2=2.88÷1.2,
x=2.4;
④x÷0.5=4,
x÷0.5×0.5=4×0.5,
x=2.