数学计算题:(-1/2)×1/3=?2/3×(-9/4)=?(-13.65)×(-2/3)=?
问题描述:
数学计算题:(-1/2)×1/3=?2/3×(-9/4)=?(-13.65)×(-2/3)=?
答
(-1/2)×1/3=-1/6
2/3×(-9/4)=-3/2
(-13.65)×(-2/3)=13.65×2÷3=27.3÷3=9.1