Efectuati adunarile si scaderile de numere rationale :
a)6 supra 16+3supra8-5supra24-6supra32
b)2supra20+1supra18-1supra16-5supra36
c) 6supra 12+9supra24-3supra 18
Va rog!!!
a) 6/16+3/8-5/24-6/32=36/96+36/96-20/96-18/96=70/96=35/48 b) 2/20+1/18-1/16-5/36=72/720+40/720-45/720-100/720=-33/720=-11/240 c) 6/12+9/24-3/18=36/72+27/72-12/72=51/72=17/24
