计算:34.23-[194.6-(5.77-5.4)]
问题描述:
计算:34.23-[194.6-(5.77-5.4)]
答
34.23-[194.6-(5.77-5.4)]
=34.23-(194.6-5.77+5.4)
=34.23+5.77-194.6-5.4
=40-200
=-160