若5a+3b=0,则a+b/b
- 培训职业
- 2025-05-06 15:48:20
方法一：5a+3b=0,
5a=-3b
a=-3/5b
则a+b/b=(-3/5b+b)/b
=2/5b/b=2/5
方法二：5a+3b=0,
5a=-3b
则a+b/b=(5a+5b)/5b
=(-3b+5b)/5b
=2b/5b
=2/5
祝你好运
方法一：5a+3b=0,
5a=-3b
a=-3/5b
则a+b/b=(-3/5b+b)/b
=2/5b/b=2/5
方法二：5a+3b=0,
5a=-3b
则a+b/b=(5a+5b)/5b
=(-3b+5b)/5b
=2b/5b
=2/5
祝你好运
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