Question

gaseste numarul necunoscut.4xa=20,cx5=35,45:b=5,d:5=8

Answer 1

Explicație pas cu pas:

4×a=20

a=20:4

a=5

v:4×5=20

c×5=35

c=35:5

c=7

v:7×5=35

45:b=5

b=45:5

b=9

v:45:9=5

d:5=8

d=8×5

d=40

v:40:5=8

Answer 2

Răspuns:

4×a=20

a=20:4

a=5

v: 4×5=20

c×5=35

c=35:5

c=7

v:7×5=35

45:b=5

b=45:5

b=9

v:45:9=5

d:5=8

d=5×8

d=40

v:40:5=8