Question

calculați 1 supra 23 plus 2 supra 23 plus 3 supra 23 plus puncte puncte puncte plus 22 supra 23 va rog ajutatima ​

Answer 1

22×23 totul supra 2 =

11×23=253

253 supra 23 =11

Answer 2

1/23+ 2/23+ 3/23+............22/23

(1+2+3+.....22.) /23 acelasi numitor

1+2+3+.....22= (22×23)/2 = 11×23(suma lui Gauss)

(11×23) /23=11