Răspuns:
3/2+5:[12/5+0,(3)]=
3/2+5:(12/5+3/9)=
3/2+5:(³⁾12/5+⁵⁾1/3)
3/2+5:41/15=
3/2+5·15/41=
⁴¹⁾3/2+²⁾75/41=
123/82+150/82=273/82
______________
1/2 + 2 x(0,25+3)=
1/2+2·3,25=
0,5+6,5=7
__________________
-3,25 + 3 x(1,7 - 3/2)=
-3,25+3·(1,7-1,5)=
-3,25+3·0,2=
-3,25+0,6= -2,65
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[1/3+1/3:(1-1/3)]÷3/2=
(1/3+1/3:2/3):3/2=
(1/3+1/3·3/2):3/2=
(1/3+1/2):3/2=
5/6:3/2=
5/6·2/3=5/9
_____________________
10,1:[(⁶⁾6/5 +⁵⁾13/6 )x (¹³⁾21/10 +¹⁰⁾6/13 ]:1,(4) =
101/10 :[(36/30+65/30)·(273/130+60/130) ] :13/90 =
101/10 :(101/30·333/130 ) :13/90 =
=90/111=0,(810)
1,(4)=(14-1)/90=13/90
