A=-2 B=6 C=-3. b+c?? a kali (b+c)?? a kali b?? a kali c?? (a kali b)+ ( a kali c)???
Matematika
sausan31
Pertanyaan
A=-2 B=6 C=-3. b+c?? a kali (b+c)?? a kali b?? a kali c?? (a kali b)+ ( a kali c)???
1 Jawaban
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1. Jawaban bubbly6
A=-2 B=6 C=-3
b+c -> 6-3= 3
a x (b+c) -> -2 x 3 = -6
a x b -> -2 x 6 = -12
a x c -> -2 x -3 = 6
(a x b)+ ( a x c) -> (-2 x 6 ) + (-2 x -3 ) = -12 + 6 = -6
note, jika
- x - = +
- x + = -