根号8乘根号2减5怎么化简
问题描述:
根号8乘根号2减5怎么化简
答
解
√8×√2-5
=2√2×√2-5
=2×2-5
=4-5
=-1
根号8乘根号2减5怎么化简
解
√8×√2-5
=2√2×√2-5
=2×2-5
=4-5
=-1