98.52-(45.86-23.52).要求脱式计算
问题描述:
98.52-(45.86-23.52).要求脱式计算
答
98.52-(45.86-23.52)
=98.52-45.86+23.52
=(98+23-45)+2*0.52-0.86
=76+0.18
=76.18