Question

Tính nhanh

A= ( 6 - 2/3 + 1/2) -( 5 +5/3 - 3/2) - (3 - 1/3 + 5/2)

Làm nhah giúp mình với

Answer 1

A= ( 6 - 2/3 + 1/2) -( 5 +5/3 - 3/2) - (3 - 1/3 + 5/2)

= 6 - 2/3 + 1/2 - 5 - 5/3 + 3/2 - 3 + 1/3 - 5/2

= (6-5-3) - (2/3 + 5/2 - 1/3) + (1/2 +3/2 -5/2)

= -2 - 2 + (-1/2)

= -4 -1/2

=-9/2

Answer 2

A = ( 6 - 1 ) - ( 5 + 1 / 6 ) - ( 3 + 13 / 6 )

A = 5 - 31 / 6 - 31 / 6

A = -16 / 3