LorenaHaciu2008ask
a fost răspuns

Calculeaza: b)2-[3-(4:3+15:30)]

Răspuns :

2-[3-(4:3+15:30)]=

=2-[3-(1,3+(-2)]=

=2-(3-(-0,7))=

= 2 - 3,7=

= -1,7

Mxxnlightask

Răspuns:

2 - [ 3 - ( 4 / 3 + 1 / 2 ) ] = 5/6

= 2 - [ 3 - ( 8 / 6 + 3 / 6 ) ] =

= 2 - ( 3 - 11 / 6 ) =

= 2 - ( 18 / 6 - 11 / 6 ) =

= 2 - 7 / 6 =

= 12 / 6 - 7 / 6 =

= 5 / 6