Question

2,5*х*2/5-2 2/3*0,1х

Answer 1

Упрощение ~ 0.73333333

На множители 11x/15

Answer 2

1)2,5х*2/5 = 5х:5= 1х

2)2 2/3*0,1х= 8/3 * 1*х/10 = 8х/30

3) 1х- 8х/30= 30х/30- 8х/30 = (30х-8х) / 30 = 22х/30 =11х/15