Question

Ex 6 va rog va rog Urgent

Answer 1

Răspuns:

Explicație pas cu pas:

a. x:30=7, x=30*7=210

420:x=60, x=420:60=7

b. 7 * y= 490, y=490:7=70

y*8=432, y = 432:8=54

c. z+250=900, x=900-250=650

825-z=600, z=825-600=225

Answer 2

Răspuns:

x:30=7

x=30*7

x=210

420:x=60

x=420:60

x=7

7*y=490

y=490:7

y=70

y*8=432

y=432:8

y=54

z+250=900

z=900-250

z=650

825-z=600

z=825-600

z=225