来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/17 07:04:16
(115.11±78.21)/(225.78±115.79)的比值怎么算?
(115.11+78.21)/(225.78+115.79)=193.32/341.57≈0.57
(115.11-78.21)/(225.78-115.79)=36.9/110.01≈0.36
(115.11+78.21)/(225.78-115.79)=193.32/110.01≈1.76
(115.11-78.21)/(225.78+115.79)=36.9/341.57≈0.11