Răspuns:
Explicație pas cu pas:
1) a)14/38=7/19=0.36
b)19/5=3.8
c)160/130=16/13=1.2
d)1050/250=105/25=4.2
3) 4x*41=44*31
4x=44*31/41
4x=33.2
x=33.2/2
x=16.6
2x*61=6.1*8.1
x=0.4
