3( )( )÷( )=3( )······8.3( )( )÷( )=3( )······8.
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3( )( )÷( )=3( )······8.3( )( )÷( )=3( )······8.
3( )( )÷( )=3( )······8.
3( )( )÷( )=3( )······8.
3( )( )÷( )=3( )······8.3( )( )÷( )=3( )······8.
余数是8,那只能是除数是9,
所以就是3( )( )÷(9 )=3( )······8.
3( )( )-8=3( )*9=270+9X
被除数十位不能大于等于6,否则等式右边十位会变成4
通过实验,结果为351/9=39……8
因为39*7=273<300,所以除数是8或9,但由于余数是8所以除数只能是9,剩下的只要把30~39十个商一一代入,求出被除数的值就行了。
其实哪怕枚举也很快的
39*9+8=359
39*8+8=320
38*9+8=350
38*8+8=312
37*9+8=341
37*8+8=304
36*9+8=332
35*9+8=323
34*9+8=314
33*9+8=305
下面就没有了、、、
359÷9=39.......8
305÷9=33……8
3( )( )÷( )=3( )······8.3( )( )÷( )=3( )······8.
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