方程x-1=lg x必有一根的区间是_____?
方程x-1=lgx必有一根的区间是__A___?A.(0.1,0.2)B.(0.2,0.3)C.(0.3,0.4)D.(0.4,0.5)怎么算呀...
方程x-1=lg x必有一根的区间是__A___?
A.(0.1,0.2) B.(0.2,0.3) C.(0.3,0.4) D.(0.4,0.5)
怎么算呀 展开
A.(0.1,0.2) B.(0.2,0.3) C.(0.3,0.4) D.(0.4,0.5)
怎么算呀 展开
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