j) am facut la comentariu la intrebare si pun si poza chiar daca nu e tot dar e in comentariu
k)(1/2+2/3+5/6):12/7-6•1/18]•1/4:(5intregi•12/25-1intreg12/25-1intreg1/3)=
=[(3×1+2×2+5totul ăsta supra/6) ×7/12 - 6/1×1/18]×1/4:(5/1×12/25 - 1×25+12totul supra/25 - 1×3+1totul supra/3)=
=[(12/6×7/12 -1×1totul supra/1×3)]×1/4:(1×12totul supra/1×5 - 37/25 -4/3)=
=(7/6 -1/3)×1/4 :(12/5 - 37/25 -4/3)=
= 7-2×1totul supra/6 ×1/4 :( 15×12-37-25×4 tot asta supra/75)=
=5/6×1/4 : 43/75=
=5/6×1/4 ×75/43=
=5/24×75/43=
=5×25totul supra/8×43=
=125/344
l).{2+2intregi1/2-2/3•[0,(1)+0,(2)]}:3,1(6)=
=[2/1+ 2×2+1 totul supra/2 -2/3 ×(1/9+ 2/9)] : 316-31totul /90=
=( 2/1+ 5/2 - 2/3 × 3/9) :285/90=
=(2/1+5/2 - 2×1totul /1×9)× 90/285=
=(2/1+5/2-2/9)×90/285=
=18×2+9×5-2tot ăsta supra/18 ×90/285=
=79/18 ×90/285=
=79×5 totul /1×285=
=395/285 simplificat cu 5=
=79/57
m).{8/35+[(3/2-33/35)+(3/14-2/35)-(2-12/7+5/14)]}•3intregi1/3=
=[8/35+(35×3-2×33tot ăsta supra/70 +5×3-2×2tot ăsta supra/70 - 14×2-2×12+5tot ăsta supra/14)] × 3×3+1totul supra/3=
=[8/35+( 39/70 +11/70 -9/14)]×10/3=
=(8/35+ 39+11-5×9tot ăsta supra/70)×10/3=
=(8/35+ 5/70)×10/3=
=2×8+5totul supra/70 ×10/3=
=21/70 × 10/3=
=7×1 totul supra/7×1=
=7/7=
=1
n).0,0(6)+15/64•1,28-2•[0,125-0,08 (3)]=
=6/90 +15/64 ×128/100 -2/1 ×(125/1000 - 83-8totul /900)=
=6/90 + 3×2totul /1×20 -2/1×( 125/1000 - 75/900)=
=6/90 + 6/20 -2/1 × 9×125-10×75tot asta supra/9000=
=6/90 + 6/20 -2/1 × 375/9000=
=6/90+6/20 - 2×375totul /1×9000=
=6/90+6/20 - 750/9000=
=100×6+450×6-750 tot asta supra/9000=
=2550/9000 simplificat cu 5=
=510/1800 simplificat cu 5=
=102/360 simplificat cu 2=
=51/180
