(4998+350)/14+18怎样简便计算?(4998+350)除14+18怎样简便计算
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![(4998+350)/14+18怎样简便计算?(4998+350)除14+18怎样简便计算](/uploads/image/z/1244769-33-9.jpg?t=%284998%2B350%29%2F14%2B18%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3F%284998%2B350%29%E9%99%A414%2B18%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
(4998+350)/14+18怎样简便计算?(4998+350)除14+18怎样简便计算
(4998+350)/14+18怎样简便计算?
(4998+350)除14+18怎样简便计算
(4998+350)/14+18怎样简便计算?(4998+350)除14+18怎样简便计算
(5000+350-2)/14+18
=(5000+350)14-1/7+18
=400.5
原式=(5000-2+350)/2/7+18
=(2500-1+275)/7+18*7/7
=(2500+274+126)/7
=2900/7
(4998+350)/14+18
=4998/14+350/14+18
=357+25+18
=375+25
=400
(5000+350-2)/14+18
=(5000+350)14-1/7+18
=400.5