(1.) 3a+5a(-6a)= (2).-10k+(-2k)+7k (3). 5b+(-2b)+(-7b)
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(1.) 3a+5a(-6a)= (2).-10k+(-2k)+7k (3). 5b+(-2b)+(-7b)
1 Jawaban
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1. Jawaban ArianaBeautyMiss
1. 3a + ( 5a ( -6a ))
= 3a + ( -30a )
= -27a
2. -10k + ( -2k ) + 7k
= -10k - 2k + 7k
= -12k + 7k
= -5k
3. 5b + ( -2b ) + ( -7b )
= 5b - 2b - 7b
= 3b - 7b
= -4b