怎样简便就怎样算 102×55-110 37.5÷1.25÷8÷7.25 18.9-5.4+8
问题描述:
怎样简便就怎样算 102×55-110 37.5÷1.25÷8÷7.25 18.9-5.4+8
怎样简便就怎样算
102×55-110
37.5÷1.25÷8÷7.25
18.9-5.4+8.9
答
100×55+2×55-110=5500
37.5÷(1.25×8)÷7.25=37.5÷10÷7.25=3/5
18.9+8.9-5.4=22.4