Jawaban:
-160
Penjelasan dengan langkah-langkah:
(-20) × 9 = -180
30 - 10 = 20
maka: -180 + 20 = -160
1.) (-20) × 9 + 30 - 10
= -( 20 × 9 ) + 30 - 10
= (-180) + 30 - 10
= (-180) + ( 30 - 10 )
= (-180) + 20
= -(180 - 20)
= (-160)
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Jawaban:
-160
Penjelasan dengan langkah-langkah:
(-20) × 9 = -180
30 - 10 = 20
maka: -180 + 20 = -160
1.) (-20) × 9 + 30 - 10
= -( 20 × 9 ) + 30 - 10
= (-180) + 30 - 10
= (-180) + ( 30 - 10 )
= (-180) + 20
= -(180 - 20)
= (-160)