Răspunsuri

2014-09-30T17:22:20+03:00
E) 8,5 + (-1)=8,5-1=7,5
f) 1 intreg si 3 supra 8 + (-1) +2 supra 3 + [ - 1 supra 9] =
1 intreg3/8=(1
·8+3)/8=11/8
deci avem 11/8-1+2/3-1/9=11/8+(-9+6-1)/9=11/8-4/9=(99-32)/72=67/72
mersii si mai am unul ramas ma ajuti si la asta te rog?
2014-09-30T18:24:53+03:00
e) 8,5 + (-1)=8,5-1=7,5
f) 1 intreg si 3 supra 8 + (-1) +2 supra 3 + [ - 1 supra 9] =
1 intreg3/8=(1
·8+3)/8=11/8
deci avem 11/8-1+2/3-1/9=11/8+(-9+6-1)/9=11/8-4/9=(99-32)/72=67/72