a. 7p x (-3pq) x (-2qr)
b. 3w/6 - w - 1/5
c. 16pq/pqr : 4prs/3qr
d. 12t - 8/3t - 2
b. 3w/6 - w - 1/5
c. 16pq/pqr : 4prs/3qr
d. 12t - 8/3t - 2
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Jawaban:
a. 7p x (-3pq) x (-2qr) = -21pq² x (-2qr) = 42pqr²
b. 3w/6 - w - 1/5 = w/2 - w - 1/5 = -w/2 - 1/5
c. 16pq/pqr : 4prs/3qr = (16pq/4prs) x (pqr/3qr) = 4p/3rs
d. 12t - 8/3t - 2 = 12t - 8t/3 - 2 = 36t/3 - 8t/3 - 2 = 28t/3 - 2