5.4x一x=3.6的验算

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5.4x一x=3.6的验算5.4x一x=3.6的验算5.4x一x=3.6的验算5.4x一x=3.64.4x=3.6x=3.6÷4.4x=9/11检验5.4x9/11-9/11=(5.4-1)x9/11

5.4x一x=3.6的验算
5.4x一x=3.6的验算

5.4x一x=3.6的验算
5.4x一x=3.6
4.4x=3.6
x=3.6÷4.4
x=9/11
检验
5.4x9/11-9/11
=(5.4-1)x9/11
=4.4x9/11
=3.6
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