Question

23+x=78=456

x-56=78

x+56=56

 

Answer 1

Phần đầu mình không biết

x= 78-56

x= 22

x= 56-56

x=0

tk nha@@@@@@@@@@@@@@@@@@@

Answer 2

k cho minh di xong minh k lai cho bn nhanh thi dc nhe

a hihihihi

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cccccccccccccccccccccccc

Answer 3

nhanh lên nhé

Answer 4

a) x = 78 - 23

x = 55

b) x = 78 + 56

x = 134

c) x = 56 - 56

x = 0

Tk plz

:))

Answer 5

.........................................................cau nay thi to khong biet            !!!