Jawaban:
1. c. (3 x 5) x (-2) = 3 x (5 x (-2))
berarti a = 5
d. 7 x (-8 - 2) = (7 x (-8)) + (7 x (-2))
berarti a = 8, b = 2
2. a. (5 x 4) x (-3) = 5 x (4 x (-3))
20 x (-3) = 5 x (-12)
60 = 60
b. (6 x (-2)) x 7 = 6 x ((-2) x 7)
-12 x 7 = 6 x (-14)
-84 = -84
c. (8 x (-6)) x (-5) = 8 x ((-6) x (-5))
(-48) x (-5) = 8 x 30
240 = 240
d. ((-7) x (-9)) x (-4) = (-7) x ((-9) x (-4))
63 x (-4) = (-7) x 36
252 = 252
3. yang ada di catatan dalam foto
Kesimpulan dalam tabel adalah
Sifat komutatif, Asosiatif, & distributif
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Jawaban:
1. c. (3 x 5) x (-2) = 3 x (5 x (-2))
berarti a = 5
d. 7 x (-8 - 2) = (7 x (-8)) + (7 x (-2))
berarti a = 8, b = 2
2. a. (5 x 4) x (-3) = 5 x (4 x (-3))
20 x (-3) = 5 x (-12)
60 = 60
b. (6 x (-2)) x 7 = 6 x ((-2) x 7)
-12 x 7 = 6 x (-14)
-84 = -84
c. (8 x (-6)) x (-5) = 8 x ((-6) x (-5))
(-48) x (-5) = 8 x 30
240 = 240
d. ((-7) x (-9)) x (-4) = (-7) x ((-9) x (-4))
63 x (-4) = (-7) x 36
252 = 252
3. yang ada di catatan dalam foto
Kesimpulan dalam tabel adalah
Sifat komutatif, Asosiatif, & distributif