可知其中僅c=1時，同一列中會有兩數之差恰為c=1的情況：35×+7×

可知其中僅c=1時，同一列中會有兩數之差恰為c=1的情況：35×+7×9≡1與

ผลลัพธ์ (อังกฤษ) 1:

C=1 time only, difference between the two numbers in the same column as c=1: 35x7x9 ≡ 1

ผลลัพธ์ (อังกฤษ) 2:

Found that c = 1:00 which only the difference of two numbers in the same column have exactly the case c = 1: 35 × +7 × 9 ≡ 1 and

ผลลัพธ์ (อังกฤษ) 3:

May know when only c=1, in the same row will have the difference of two number exactly is the c=1 situation: 35× 7×9≡1 and