Question

4 + 4 x 4 - y: 4+ (4 + 4) : 4 = 21 Buna a zis o fata sau un baiat sa verific si dupa ma ajuta te rog ajutama!​

Answer 1

4+4x4-y:4+(4+4):4=21

4+4x4-y:4+8:4=21

4+8-y:4+2=21

până ici știu

Answer 2

Răspuns:

Salutare!

4+4×4-y:4+(4+4):4=21

4+16-y:4+8:4=21

4+16-y:4+2=21

20-y:4=21-2

20-y:4=19

y:4=20-19

y:4=1

y=1×4

y=4

Verificare:

4+4×4-4:4+(4+4):4=

4+16-1+8:4=

4+16-1+2=

20-1+2=

19+2=

21

Succes!