ա) 3a²b³c∙6a³bc²=18a⁵b⁴c³
բ)7bc⁴e²∙14b²c⁵e=98b³c⁹e³
գ)8c²e³k∙12c²ek=96c⁴e⁴k²
դ)(-16)e²k⁴p³∙8e²k³p=-128e⁴k⁷p⁴
ե)(-14)a³bc²∙4ab²c²=-56a⁴b³c⁴
զ)7k²p²x^2∙(-23)k²p⁴x²=-161k⁴p⁶x⁵
է)2/3p³x³y²∙2 1/2pxy²=10/6*p⁴x⁴y⁴
ը)(-4/7)ace²∙1 1/6a²c²e²=-28/42*a³c³e⁴
թ)(-2 1/2)ae²k²∙(-1 9/11)a²ek=220/55*a³e³k³
ժ)(-1 1/4)a³kp²∙8/5ak²p=-40/20a⁴k³p³

ա)3a+8a-a=11a-a=10a
բ)2x-7x+3x=5x-7x=-2x
գ)5y-15y-8y=-10y-8y=-18y
դ)-2a-3a+8a=-5a+8a=3a
ե)b-7b+3b-5b-2b=-6b+3b-7b=-10b
զ)2x-11x-2x+13x-7x=-13x+13x-7x=-7x
է)ab-3ab-ab-ab=-3ab-ab=-4ab
ը)-xy-7xy+xy=-7xy
թ)3m²n-m²n-2m²n=2m²n-2m²n=0
ժ)-ax²-6ax²-2ax²=-7ax²-2ax²=-9ax²

ա)4aab-5ba²+7a²b-aba=4a²b-5ba²+7a²b-a²b=5a²b²
բ)25aa²b³+2a³b∙5b²-a²b²∙8ab-9a³b³+8aa²b³=25a³b³+10a³b³-8a³b³-9a³b³+8a³b³=26a³b³
գ)3pq-(p+q²)=3pq-p²-2pq-q²=pq-p²-q²
դ)7a²-(5a²-6m³)=7a²-5a²+6m²=2a²+6m²
ե)x+(y-(x-y))=x+(y-x+y)=x+y-x+y=2y
զ)x-((y-x)-y)=x-(y-x-y)=x+x=2x
է)(4a²-5b²)(5a²-4b²)=20a⁴-16a²b²-25b²a²+20b⁴=20a⁴-41a²b²+20b⁴
ը)(7ab²+3b³)(2ab³-4a²)=14a²b⁵-28a³b²+6ab⁶-12a²b³
թ)(a²+3ab-2b²)(2a²-3b)=2a⁴-3a²b+6a³b-9ab²-4a²b²+6b³
ժ)(3x²-4x+7)(5x²-x)=15x⁴-3x³-20x³+4x²+35x²-7x=15x⁴-23x³+39x²-7x