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b. 67/63
= 67-3 = 4
= 64
c. b-6/b-3 = b-6-(-3)=-4
= b-3
= 1/b3
d. 1/a3bc-4
= 1/a3 x b x 1/c-4
= 1/a3 x b x c4/1
= c4/a3b
Soal Nomor 6
a. 18t3 x 2t-3
= 18 x 2.t3+(-3)=0
= 36.1
= 36
b. 2y0t3/y6t-2
= 2y0-6
=-6t3-(-2)=5
= 2t5/y6.
c. 2m0 x m-7
= 2m0+(-7)=-7
= 2m-7.
BERITA REKOMENDASI
d. m3 + 4/m-3
= m3 + 4m3
= 5m3.
Baca juga: Kunci Jawaban Tema 2 Kelas 6 Halaman 80: Pita Terpendek dan Terpanjang
Soal Nomor 7
d-5 = 1/d x 1/d x 1/d x 1/d x 1/d = 1/d5
Pernyataan tersebut salah karena d-5 artinya 1/d5.
Soal Nomor 8
Diketahui panjang rusuk AB= 1 cm, BC = 5 cm, dan CG = 4 cm.