142857*2=2857 14

142857*3=42857 1

142857*4=57 1428

142857*5=7 14285

142857*6=857 142

142857*7=999999

1 42857× 8 =1142856 (7 avatars, i.e. divided into the first number1and the last number 6,7)142857× 9 =12857/.

142857×12 =1714284 (5 avatars)

142857×13 =1857141(2 avatars)

142857×14 =199998 (9 also needs to be enlarged)

1+4+2+8+5+7=27=2+7=9

142 + 857 = 999 14 + 28 + 57 = 99

We multiply 142857 by 142857. The answer is: What are the top five+top five numbers of 20408 122449?

20408 + 122449 = 142857

Actually, it's not magical.1÷?? = 0.142857142857142857. ...........

1÷7, fractional elementary book, wireless circulating decimal, circulating segment 142857. You can calculate 2÷7, 3÷7 and 4÷7 by yourself. . . What is the cycle segment of 6÷7?

142857*7=999999, 1/7*7= 1=0。 99999999。 . . . . .

1=3 * 1/3=3*0。 33333。 . . . . =0。 999999。 . . This is good for you.