当m取何值时,代数式m+1/3的值比3m+1/2的值小1
问题描述:
当m取何值时,代数式m+1/3的值比3m+1/2的值小1
答
(3m+1/2)-(m+1/3)=1
2m+1/2-1/3=1
2m+1/6=1
2m=5/6
m=5/12
答
m+1/3=3m+1/2
m=-1/7
答
(3m+1/2)-(m+1/3)=1
2m+1/2-1/3=1
2m+1/6=1
2m=5/6
m=5/12