День: 24 ноября 2020

I`m Sebastaci

~ mariashokaryan ~ Оставьте комментарий

Hello

My name is Maria Shokaryan. I`m 12 years old. I’m in 7th grade․ I`m Sebastaci and I came a year ago․ I came from school nuber 85. I like my school very much. Lessons are very interesting. At school I found my friends.In this school we study with computers. Choice is the subject of school. In this school you can choose your favorite subject․In physical educationIn you can to choose your lovely sport. In general training we dance and sing. On Friday we have mediafriday.I love my shcool very much and I am happy to be Sebastaci.

Դասարանական և Տնային աշխատանքներ (Հանրահաշիվ)

~ mariashokaryan ~ Оставьте комментарий

ա)ax – bx + cx = x(a – b + c)

բ)8abx – 6acy – 10ak = 2a(4bx – 3cy – 5k)

գ)14acx – 21bcy – 7c = 7c(2ax – 3by – 1)

դ)63xy – 84y2 + 98ay = 7y(9x – 12y + 14a)

զ)20ax – 35bx – 40x2 = 5x(4a – 7b – 8x)

ա)a2 – a3 + a4 = a2(1 – a + a2)

բ)x3 + x2 – x = x(x2 + x – 1)

գ)a3 + 4b2a = a(a2 + 4b2)

դ)-5x3y2 – 5x2y = -5x2y(xy + 1)

ե)x3y4 – x2y2 + xy3 = xy2(x2y2 – x + y)

զ)2a3b – 6ab4 + 4a2b3 = 2ab(a2 – 3b3 + 2ab2)

է)-2a2b + 4ab2 – 4b3 = 2b(-a2 + 2ab — 2b2)

ը)16x + 8x2 – 4x3 + 2x4 = 2x(8 + 4x – 2x2 + x3)