(2) (-) —
(3) (-3) =
6
(4) 20-3х2)3 = 2. (
jro) –
х
(5) 5r(-yz ) = 5r (
-2)= – 5×120
(6) 4a3(- 2b c) = 4a3.
60o =
(7) Заb(-2a b2) = 3ab.
а',
аѓь
(8) 2r y( – 3ry) =
2
(9)
ах(- 3x y ) =
3
(10) Заb – bc
(1) (-)
Penjelasan dengan langkah-langkah:
kurang tau