Răspunsuri

2014-09-28T21:46:19+03:00
MA+mB+mC+mD=360=>
x+23+5x+17+4x-5+2x+15=360
12x+50=360
12x=310
x=155÷6 (acum inlocuiesti inlocuiesti si ar trebui sa-ti dea)