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4667
問一個數學問題~很急
9966334乘9966332=99327A93466888求A為多少??註99327不是乘上A在乘上9346688
9
966
334966-(9 334)=623=630-7=7(90-1)所以9966334是7的倍數所以99
327
A93
466
888也是7的倍數7 | 888 93 99 100A-327-4667 | 888-777 93-70 99-77 100A-105A-327 350-466 4907 | 111 23 22-2A 23 247 | 111-105 23-21 22-21-2A 7A 23-21 24-217 | 6 2 1 5A 2 37 | 5A7 | AA = 0或799327093466888或993277934668889966334*9966332=(10000000-33666)*(10000000-33668)=10000000*10000000-(33666 33668)*1000000 33666*33668=100000000000000-673340000000 33666*33668=99326660000000 33666*33668
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