(-81)×9/4-4/9×(-2)的4次方
问题描述:
(-81)×9/4-4/9×(-2)的4次方
答
下面是经过Excel验证的步骤和结果:(-81)×9/4-4/9×(-2)^4(原题)=-729/4-4/9×(-2)^4(该步骤计算 -81×9)=-182.25-4/9×(-2)^4(该步骤计算 -729/4)=-182.25-0.44×16(该步骤计算 -2^4)=-182.25-7.11(该...