13/12.减括号5/12+1/2括号能简算的要简算要怎么写?
展开全部
解:13/12.减括号5/12+1/2括号等于( 1/6 )
∵已知需求出13/12.减括号5/12+1/2括号等于多少
∴13/12.减括号5/12+1/2括号
= 13/12 - (5/12 + 1/2)
= 13/12 - 5/12 - 1/2
= 8/12 - 1/2
= 2/3 - 1/2
= (2×2)/(3×2)- (1×3)/(2×3)
= 4/6 - 3/6
= (4-3)/6
= 1/6
答:13/12.减括号5/12+1/2括号等于1/6
∵已知需求出13/12.减括号5/12+1/2括号等于多少
∴13/12.减括号5/12+1/2括号
= 13/12 - (5/12 + 1/2)
= 13/12 - 5/12 - 1/2
= 8/12 - 1/2
= 2/3 - 1/2
= (2×2)/(3×2)- (1×3)/(2×3)
= 4/6 - 3/6
= (4-3)/6
= 1/6
答:13/12.减括号5/12+1/2括号等于1/6
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询