Mavzu: Birhad va uning standart shakli Turli masalalarni yechishda ko’pincha ab, 3a

Mashqlar
Birhadlarni ko’paytiring (230-237)
230.
1) (2a)*(3b) 2) (3a)*(2b)
3) b²(-b³) 4) (-2a)a²;
231.
1) (2p)*(-3c²) 2) (-3m²)*(-7n)
3) (4a²)*(6a³) 4) b³(8b²)
232.
1) (0.3a²)*(0.25b³) 2) (0.2p)*(-1.3q²)
233.
1) (3ab) 2) (-4x²y)*(-7xy²)
3) (8ab²)*(0.25ac²) 4) (6a²b)*(0.3bc²)
234.
1) (3a²b⁵c)*(6a³bc²) 2) (7a⁵b²c)*(-3ab⁴c)
3) (a²b³x)*(a³bx²) 4) (a³xy³)*(ax²y)