Doar cele semnate va multumesc
Dau coroana


Doar Cele Semnate Va Multumesc Dau Coroana class=

Răspuns :

(1/2-3/4)-(5/2-5/4)-(3/2-3/4)
(-1/4)-5/4-3/4
-1/4-5/4-3/4
-9/4

17/15-(-44/15)+(-7/5)
17/15+44/15-7/5
8/3

1/2-(1/3+1/4-1/5)
1/2-23/69
7/60

[0,4+2/5×40]÷16,4-0,2
[0,4+2×8]÷16,4-0,2
[0,4+16]÷16,4-0,2
[16,4]÷16,4-0,2
16,4÷16,4-0,2
1-0,2
0,8