代數(shù)式2a-5與1+2a互為相反數(shù),所以
2a-5+1+2a=0
4a-4=0
4a=4
a=1
很高興為你解答,希望對(duì)你有所幫助,
代數(shù)式2a-5與1+2a互為相反數(shù) a=
代數(shù)式2a-5與1+2a互為相反數(shù) a=
數(shù)學(xué)人氣：101 ℃時(shí)間：2020-05-28 11:10:52
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