Question

3 - 2/5 x {3-2/5 x [ 3-2/5 x (1-1/6)]} dau coroana

Answer 1

3-2/5 x {3-2/5 x [3-2/5 x (1-0,16)]}
3-2/5 x [3-2/5 x ( 3-2/5 x 0,84)]
3-2/5 x [3-2/5 x (3-0,4 x 0,85)]
3-2/5 x [3-2/5 x (3-0,34)]
3-2/5 x (3-2/5 x 2,66)
3-2/5 x (3-0,4 x 2,66)
3-2/5 x (3-1,064)
3-2/5 x 1,936
3-0,4 x 1,936
3- 0,7744= 2,2256

Answer 2

Răspuns:

Explicație pas cu pas:

 3-2/5 x{3-2/5 x(1-1/6)=

=3-2/5 x{3-2/5 x(6/6 -1/6)

=3-2/5 x(3-2/5 x 5/6)

=3-2/5 x{3/1-1/3)

=3-2/5 x{9/3-1/3)

=3-2/5x8/3

=3/1-16/15

=45/15-16/15

=29/15