Question

[ngoc ho]

tim y bang 2 cach:

(52+y)-32=64

Answer 1

[nguyễn thị quỳnh nga]

cach 1:

(52+y)-32=64

52+y       =64+32

52+y       =96

y             =96-52

y             =44

cach 2:

(52+y)-32=64

52-32+y=64

20+y=64

     y=64-20

     y=44

Answer 2

[nguyen truong giang]

c1:

(52+y)-32=64

52+y=64+32

52+y=96

y=96-52

y=44

c2:

(52+y)-32=64

y-32=64-52

y=12+32

y=44