Hitunglah nilai dari 25-34-[42-(63-51)]

25-34-[42-(63-51)]
jawab :
25-34-[42-12]
25-34-30
-9-30
-39

Semoga membantu yah..

=25-34-[42-(63-51)]
=25-34-[42-12]
=25-34-30
=-9-30
=-39

please jadiin jawaban tercerdas