12/7×(24+24)×21/8怎么简算
1个回答
展开全部
解:12/7×(24+24)×21/8等于( 216 )
∵已知需求出12/7×(24+24)×21/8等于多少
∴12/7 × (24 + 24) × 21/8
= 12/7 × 48 × 21/8
= 12/7 × (48 × 21/8)
= 12/7 × (6 × 21)
= 12/7 × 126
= 12/7 × (18×7)/1
= 12 × 18
= 216
答:12/7×(24+24)×21/8等于216
∵已知需求出12/7×(24+24)×21/8等于多少
∴12/7 × (24 + 24) × 21/8
= 12/7 × 48 × 21/8
= 12/7 × (48 × 21/8)
= 12/7 × (6 × 21)
= 12/7 × 126
= 12/7 × (18×7)/1
= 12 × 18
= 216
答:12/7×(24+24)×21/8等于216
本回答被网友采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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