Question

1. so sanh A va B ma ko tinh ket qua 

A = 34. 55 -71 

B = 33 . 54 + 17

Answer 1

A = 34 . 55 - 71 = 33 . 54 + 34 + 54 - 71 = 33 . 54 + 17 = B

Vậy A = B 

Answer 2

32-16-15+29 = 16-15+29=1+29=30

tick nha Akarawa White

Answer 3

A=34. 55-71

A=(33+1). 55-71

A=33. 55+55-71

A=33. (54+1)+55-71

A=33. 54+33+55-71

A=33. 54-17

VẬY      A=B