Question

Află numerele necunoscute.
a) 36 : 9 x y = 28
b) (z: 8) + 18 = 7 * 3
c) (32: w) - 6 = 12:6
am nevoie de ajutor va roggg

Answer 1

1. Află numerele necunoscute:

a) 36 : 9 × y = 28

4 × y = 28

y = 28 : 4

y = 7

b) (z : 8) + 18 = 7 × 3

(z : 8) + 18 = 21

z : 8 = 21 - 18

z : 8 = 3

z = 3 × 8

z = 24

c) (32 : w) - 6 = 12 : 6

(32 : w) - 6 = 2

32 : w = 2 + 6

32 : w = 8

w = 32 : 8

w = 4