Question

Efectuează respectând regulile învățate.55:5*3*2:2; 80:2+(50*2:10+90)+10-25*4.

Answer 1

55:5×3×2:2
11×3×2:2
33×1=33


80:2+(50×2:10+90)+10-25×4
40+(100:10+90)+10-100
40+(10+90)+10-100
40+100+10-100
140+10-100
150-100=50
SPER CA TE-AM AJUTAT

Answer 2

55 : 5 × 3 × 2 : 2 =33 
= 11 x 3 x 2 : 2=
= 33 x 2 : 2=
= 66 : 2 = 
= 33
 
80 : 2 + ( 50 × 2 :10 + 90 ) + 10 - 25 × 4 = 50 
= 40 + ( 100 : 10 + 90 ) + 10  - 100=
= 40 + ( 10 + 90 ) + 10 - 100=
= 40 + 100 + 10 - 100=
= 150 - 100=
= 50