3.6÷(5⼀9减1⼀4)要算试

2025-12-17 16:37:15
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回答1:

3.6÷(5/9减1/4)要算试
3.6÷(5/9-1/4)
=3.6÷(20/36-9/36)
=3.6÷(11/36)
=3.6x(36/11)
=129.6/11
=1296/110
=648/55