m取何值时,2m-0.5(6m-8)的值等于m

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m取何值时,2m-0.5(6m-8)的值等于mm取何值时,2m-0.5(6m-8)的值等于mm取何值时,2m-0.5(6m-8)的值等于m2m-0.5(6m-8)=m2m-3m+4=m-m+4=m2m

m取何值时,2m-0.5(6m-8)的值等于m
m取何值时,2m-0.5(6m-8)的值等于m

m取何值时,2m-0.5(6m-8)的值等于m
2m-0.5(6m-8)=m 2m-3m+4=m -m+4=m 2m=4 m=2 答:当m=2时,2m-0.5(6m-8)的值等于m