
2个回答
展开全部
(1+1/2-1/3-1/4)*12
=1*12+1/2*12-1/3*12-1/4*12
=12+6-4-3
=11
18-6÷ (-2)*|-1/4|
=18-(-3)*(1/4)
=18+3/4
=75/4
-1^100-(1-0.5)÷3*[3-(-3)^2]
=-1-0.5÷3*(3-9)
=-1+0.5÷3*6
=-1+0.5*2
=-1+1
=0
=1*12+1/2*12-1/3*12-1/4*12
=12+6-4-3
=11
18-6÷ (-2)*|-1/4|
=18-(-3)*(1/4)
=18+3/4
=75/4
-1^100-(1-0.5)÷3*[3-(-3)^2]
=-1-0.5÷3*(3-9)
=-1+0.5÷3*6
=-1+0.5*2
=-1+1
=0
2010-11-20
展开全部
答案等于 13 吧?
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