(3,5x*3+2x*2+x*0,5):5=33,6 помогите плиз.
(10,5х+4х+0,5х):5=33,6 15х :5=33,6 15х=33,6*5 15х=168 х=168 :15 х=11,2 --------------------------------- (3,5*11,2*3+2*11,2*2+11,2*0,5):5=33,6 33,6=33,6
10,5х+4х+0.5х:5=33.6 3х=33.6 х=11.2 3х11.2=33.6 33.6=33.6 117.6+44.8+5.6 :5 =33.6 168:6 =33.6