98.6/(19.86-3.32-6.68),求脱试简便越算
问题描述:
98.6/(19.86-3.32-6.68),求脱试简便越算
答
98.6/【19.86-(3.32+6.68)】=98.6/(19.86-10)=98.6/9.86=10
98.6/(19.86-3.32-6.68),求脱试简便越算
98.6/【19.86-(3.32+6.68)】=98.6/(19.86-10)=98.6/9.86=10