根号50+根号32除以根号8-4
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/19 22:08:58
根号50+根号32除以根号8-4
![根号50+根号32除以根号8-4](/uploads/image/z/4557050-26-0.jpg?t=%E6%A0%B9%E5%8F%B750%2B%E6%A0%B9%E5%8F%B732%E9%99%A4%E4%BB%A5%E6%A0%B9%E5%8F%B78-4)
(√50+√32)/(√8-4)
=(5√2+4√2)(2√2+4)/(8-16)
=9√2×(2√2+4)/(-8)
=(36+36√2)/(-8)
=-9(√2+1)/2
=(5√2+4√2)(2√2+4)/(8-16)
=9√2×(2√2+4)/(-8)
=(36+36√2)/(-8)
=-9(√2+1)/2