Question

Afla narul necunoscut din fiecare relatie. 3*a=27-6
b:7=32:4
c+5*6=9*4
54:6-d=28:7
e+15*4:2*3=104​

Answer 1

Răspuns:

3•a=21

a=21:3

a=7

b:7=8

b=7•8

b=56

c+30=36

c=36-30

c=6

9-d=4

d=9-4

d=5

e+60:6=104

e+10=104

e=104-10

e=94