Question

5.4x一x=3.6的验算

Answer 1

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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