=192/4
=48
89+103/4
=89+25.75
=114.75
(89+103)÷4
=192÷4
=48
解:89+103除以四等于( 459/4 ),【即等于114.75】
∵已知需求出89+103除以四等于多少
∴89+103除以四
= 89 + 103 ÷ 4
= 89 + 103 × 1/4
= 89 + 103/4
= (89×4)/4 + 103/4
= 356/4 + 103/4
= (356+103)/4
= 459/4
= 114.75
答:89+103除以四等于459/4,【即等于114.75】