A) -4 dikurangi 96B) -15 dikurangi -12
C) -25 dikurangi 40
D) -50 dikurangi 17
E) -47 dikurangi -12
Jawaban:
A. – 4 – 96 = – 100
B. – 15 – ( – 12 ) = – 15 + 12 = – 3
C. – 25 – 40 = – 65
D. – 50 – 17 = – 67
E. – 47 – ( – 12 ) = – 47 + 12 = – 35
Formulanya yaitu
( + ) + ( + ) = ( + )
( – ) + ( – ) = ( + )
( – ) + ( + ) = ( – )
( + ) + ( – ) = ( – )
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