دانشجویان مهندسی مکانیک شهرکرد

دانستنی ریاضی



3x 37 = 111 and 1 + 1 + 1 = 3

6x 37 = 222 and 2 + 2 + 2 = 6

9x 37 = 333 and 3 + 3 + 3 = 9

12x 37 = 444 and 4 + 4 + 4 = 12

15x 37 = 555 and 5 + 5 + 5 = 15

18x 37 = 666 and 6 + 6 + 6 = 18

21x 37 = 777 and 7 + 7 + 7 = 21

24x 37 = 888 and 8 + 8 + 8 = 24

27x 37 = 999 and 9 + 9 + 9 = 27

و

9x 9 + 7 = 88

98x 9 + 6 = 888

987x 9 + 5 = 8888

9876x 9 + 4 = 88888

98765x 9 + 3 = 888888

987654x 9 + 2 = 8888888

9876543x 9 + 1 = 88888888

98765432x 9 + 0 = 888888888