Răspuns:
Explicație pas cu pas:
-
{[( 5/2+5/4-3/4) :5 +2/5}⁵=
{[ (²⁾5/2+5/4-3/4 ) :5 +2/5} ⁵=
{[( 10/4+5/4-3/4 ) :5+2/5 }⁵=
[( 10+5-3)/4 ) :5+2/5]⁵=
(12/4:5+2/5)⁵=
(3:5+2/5)⁵=
(0,6+2/5)⁵=
(6/10+²⁾2/5)⁵=
[(6+4)/10)⁵=
(10/10)⁵=
1⁵=1
-
(2¹/₃+3¹/₂):7/12-[3¹/₃: 1/3-3:3/10+3/2:(1/2) ²=
(²⁾7/3+³⁾7/2):7/12 - [10/3-3⁽³ *10/ ⁽³3+ 3/2:1/4=
(14 /6+21/6)*12/7- [10/3-10 +3/2*4²⁾=
35⁷⁾/6*12⁶⁾/7 -[10-10+6)=
10-6=4
