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\(\overline{1a,26}+\overline{4,b4}+\overline{5,7c}=10,26+a+4,04+\overline{0,b}+5,70+\overline{0,0c}\)

\(=\left(10,26+4,04+5,70\right)+\left(a+\overline{0,b}+\overline{0,0c}\right)\)

\(=20+\overline{a,bc}>\overline{a,bc}+1999\)

Cần điền dấu > 

Câu 4 : \(\dfrac{7}{3}\) m vải
Câu 5 : D

Hi everybody . My name is Nhu Y, I am 11 years old and I am a student of grade 6B junior high school in Hai Lam. My favorite subject is English. My favorite sport is badminton, .... I usually watch TV in my free time. I go to school from Monday to Saturday. I always do my homework every morning. I love my family . My family has 7 people: three, me, 3 brothers, 1 head and me. My husband is a farmer, my mother too.My first brother is an electrician, his second brother is a mechanic, his third brother is a bricklayer. My sister is a worker. and i am a student, ...

Hok tốt

# MissyGirl #

Dịch là:

Hi everybody . My name is Nhu Y, I am 11 years old and I am a student in grade 6B Hai Lam secondary school. My favorite subject is English. My favorite sport is badminton, .... I usually watch TV in my free time. I go to school Monday through Saturday. I always do my homework every morning. I love my family. My family has 7 people: three, mother, 3 brother, 1 sister and me. My father is a farmer, so is my mother. My first brother is an electrician, his second brother is a chameleon, his third brother is a nephew. My sister is a worker. And I'm a student, ...

Hk tốt

Bạn viết dấu đi.

1/6+1/4x1/8:1/5

=1/6+  1/32:1/5

=1/6+      5/32

=     31/96.

| x₁ - x₂ | ≥ 2

=> ( x₁ - x₂ )² ≥ 4

<=> x₁² - 2x₁x₂ + x₂² ≥ 4

<=> ( x₁ + x₂ )² - 4x₁x₂ ≥ 4

<=> m² + 2m + 1 - 4m ≥ 4

<=> m² - 2m - 3 ≥ 0

<=> ( m + 1 )( m - 3 ) ≥ 0

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