5+x=21/4 y:100=3 1/5 z*1/100=0,1 x-2 1/3=5/6 100y=33 1/3 z:1/10=2 2/9

1) 5 + x = 5 1/4x = 1/42) y = 3203) z = 10x - 2 2/6 = 5/6x = 3 1/64) y = 33 1/3 /100y = 0,33(333)5) z = 2 2/9 × 1/10z = 20/9 × 1/10 z = 2/9