Question

a) (-354) – (+75)

b) (-445) – (-548)

c) |-72| – (+455)

d) -|-1945| – |-67|

giúp minhd

Answer 1

Lời giải:
a.

$(-354)-(+75)=-354-75=-(354+75)=-429$

b.

$(-445)-(-548)=-445+548=548-445=103$
c.

$|-72|-(+455)=72-455=-(455-72)=-383$

d.

$-|-1945|-|-67|=-1945-67=-(1945+67)=-2012$