[(0,75+2 supra 3)×6 supra 17-0,3]
Mă puteți ajuta???


Răspuns :

0,75=75/100=3/4(simplificam prin 25)
2/3 ramane 2/3
0,3=3/10
[(3/4+2/3)x6/17-3/10]=[(9+8)/12 x 6/17-3/10]
17/12x6/17-3/10=1/2-3/10=5-3/10=2/10=1/5

/-linie de fractie.