发布网友 发布时间:2022-05-02 00:22
共3个回答
热心网友 时间:2023-10-08 20:13
这五个的做法是一样的,以第一个为例,即0.08±10%×0.08追答0.08±0.08×10%=[0.08-0.08×10%,0.08+0.08×10%]=[0.072,0.088]
0.08±0.08×20%=[0.08-0.08×20%,0.08+0.08×20%]=[0.064,0.096]
0.08±0.08×30%=[0.08-0.08×30%,0.08+0.08×30%]=[0.056,0.104]
0.08±0.08×40%=[0.08-0.08×40%,0.08+0.08×40%]=[0.048,0.112]
0.08±0.08×50%=[0.08-0.08×50%,0.08+0.08×50%]=[0.04,0.12]
热心网友 时间:2023-10-08 20:14
0.08的10%为0.008,因此,0.08正负10%即(0.08-0.008,0.08+0.008),是一个范围,指的是0.072到0.088之间。热心网友 时间:2023-10-08 20:14
10%就是十分之一,20%就是五分之一,0.08乘以0.1就是结果,前面加上正负号即可,其他类似