Question

Упростите
6у-1,9у+5у
4,9x-x+2,6x
3,2p-2,5p+4+3x

Answer 1

(6-1,9+5)у=9,1у

(4,9-1+2,6)х=6,5х

(3,2-2,5)р+4+3х=0,7р+4+3х