( -10 ) + 20 + ( -20 )
= 10 + ( -20 )
= 10 - 20
= (-10)
-10
Penjelasan dengan langkah-langkah:
-10 + 20 + (-20)
= (-10 + 20) + (-20)
= 10 + (-20)
= -10
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( -10 ) + 20 + ( -20 )
= 10 + ( -20 )
= 10 - 20
= (-10)
-10
Penjelasan dengan langkah-langkah:
-10 + 20 + (-20)
= (-10 + 20) + (-20)
= 10 + (-20)
= -10