( )12+()9()=()81()要写出4种,现在只做出两种812+998=1810912+899=1811还有两种写不出,
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![( )12+()9()=()81()要写出4种,现在只做出两种812+998=1810912+899=1811还有两种写不出,](/uploads/image/z/3671113-49-3.jpg?t=%EF%BC%88+%EF%BC%8912%2B%EF%BC%88%EF%BC%899%EF%BC%88%EF%BC%89%3D%EF%BC%88%EF%BC%8981%EF%BC%88%EF%BC%89%E8%A6%81%E5%86%99%E5%87%BA4%E7%A7%8D%2C%E7%8E%B0%E5%9C%A8%E5%8F%AA%E5%81%9A%E5%87%BA%E4%B8%A4%E7%A7%8D812%2B998%3D1810912%2B899%3D1811%E8%BF%98%E6%9C%89%E4%B8%A4%E7%A7%8D%E5%86%99%E4%B8%8D%E5%87%BA%2C)
( )12+()9()=()81()要写出4种,现在只做出两种812+998=1810912+899=1811还有两种写不出,
( )12+()9()=()81()
要写出4种,现在只做出两种
812+998=1810
912+899=1811
还有两种写不出,
( )12+()9()=()81()要写出4种,现在只做出两种812+998=1810912+899=1811还有两种写不出,
999+812=1811
998+812=1810
899+912=1811
898=912=1810
812+999=1811
912+898=1810