计算Log5 35+2log1/2√2-log5 1/50-log5 14急急急!!!

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 12:22:36
计算Log535+2log1/2√2-log51/50-log514急急急!!!计算Log535+2log1/2√2-log51/50-log514急急急!!!计算Log535+2log1/2√2-l

计算Log5 35+2log1/2√2-log5 1/50-log5 14急急急!!!
计算Log5 35+2log1/2√2-log5 1/50-log5 14
急急急!!!

计算Log5 35+2log1/2√2-log5 1/50-log5 14急急急!!!
Log5 35+2log1/2√2-log5 1/50-log5 14
=log5 (5×7)+2log2^(-1) 2(1/2)-log5 (25×2)^(-1)-log5 (2×7)
=(1+log5 7)+2×(-1/2)+(2+log5 2)-(log5 2+log5 7)
=2