【(1-0.8)÷2.5】÷8.4计算?
108个回答
展开全部
【(1-0.8)÷2.5】÷8.4
=(0.2÷2.5)÷8.4
=0.08÷8.4
=8/840
=1/105
结果等于1/105
=(0.2÷2.5)÷8.4
=0.08÷8.4
=8/840
=1/105
结果等于1/105
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
[(1-0.8)÷25]÷8.4
=[0.2.5]÷8.4
=0.2÷2.5÷ 8.4
=0.2÷(2.5×8.4)
=0.2÷[2.5×(8+0.4)]
=0.2÷[2.5×8+2.5×0.4]
=0.2,÷[20+1]
=0.2÷21
=1/105
=[0.2.5]÷8.4
=0.2÷2.5÷ 8.4
=0.2÷(2.5×8.4)
=0.2÷[2.5×(8+0.4)]
=0.2÷[2.5×8+2.5×0.4]
=0.2,÷[20+1]
=0.2÷21
=1/105
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
〔(1-0.8)÷2.5〕÷8.4
=〔0.2÷2.5〕÷8.4
=0.2÷2.5÷8.4
=0.2÷2.5÷4÷2.1
=0.2÷(2.5×4)÷2.1
=0.2÷10÷2.1
=0.02÷2.1
≈0.0095
=0.2÷10÷2.1
=0.02÷2.1
=〔0.2÷2.5〕÷8.4
=0.2÷2.5÷8.4
=0.2÷2.5÷4÷2.1
=0.2÷(2.5×4)÷2.1
=0.2÷10÷2.1
=0.02÷2.1
≈0.0095
=0.2÷10÷2.1
=0.02÷2.1
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
【(1-0.8)÷2.5】÷8.4=(0.2÷2.5)÷8.4=(1/5÷5/2)÷8.4
=(1/5×2/5)X5/42=2/25X5/42=1/105
=(1/5×2/5)X5/42=2/25X5/42=1/105
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