Как решить 48 :z+ 879= 887
48 :z+ 879= 887 48 : z = 887 - 879 48 : z = 8 z = 48 : 8 z = 6
48: z= 887-879 48:z= 8 z= 48:8 Z= 6 ---------- 48:6+ 879= 887 8+879= 887 887= 887