Question

Va rogggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg.

Answer 1

a ) = aducem la numitorul comun 90 = ( 6 - 75 + 10) / 90 = - 59/90 = - 0,6(5) 

Answer 2

Amplifici prima fractie cu 6
A doua cu 15
Si a treia cu 10
Ca sa ajungi la numitorul comun 90

6/90 +(-75)/90+10/90=
=(6-75+10)/90
=(16-75)/90
=-59/90
=-0,6(5)