Răspuns:
Explicație pas cu pas:
52)
l---------l colorat
l---------l----------l---------l---------l---------l---------l---------l---------l---------l---------l---------l
....................................................................................................................
8270 diferenta dintre povesti si colorat
-
11-1=10 segmente egale
8270 :10 = 827 (colorat )
827x11= 9.097 (povesti)
-
53)
=9*(3+3:5)-(4+6)
= 9*(3+1)-10
= 9*4-10
= 36-10
= 26
-
54)
x= 100-40+9*3
x= 60+27
x= 87
-
y= [(7+49):4-4]*5*6*7+0
y= (56:4-4)*5*6*7+0
y= (14-4)*5*6*7+0
y=10*5*6*7+0
y= 50*6*7+0
y= 300*7+0
y= 2.100+0
y= 2.100
-
z= 10+100-20:2:5-5
z= 110-10:2:5-5
z= 110-5:5-5
z= 110-1-5
z= 104
-
y*( z-x)=2.100*(104-87)=2.100*17=35 .700
