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Bạn Kim Namjoon ơi
18 x 10 = 180
# Chúc bạn hok tốt ! #
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a, Đường kính hình tròn = Cạnh hình vuông = 28,26: 3,14= 9 (cm)
Bán kính hình tròn: 9:2=4,5(cm)
Diện tích hình tròn tâm O: 4,5 x 4,5 x 3,14= 63,585(cm2)
Diện tích hình vuông ABCD: 9 x 9 = 81 (cm2)
Diện tích phần tô đậm:
81 - 63,585= 17,415(cm2)
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\(6.\left(x-3\right)-4.\left(x+11\right)=5.\left(-4\right)+6\)
\(\Rightarrow6x-18-4x-44=-20+6\)
\(\Rightarrow6x-4x-18-44=-14\)
\(\Rightarrow2x-62=-14\)
\(\Rightarrow2x=-14+62\)
\(\Rightarrow2x=48\)
\(\Rightarrow x=\frac{48}{2}=24\)
Vậy x=24
Chúc bn học tốt
\(\text{6.(x-3)-4.(x+11)=5.(-4)+6}\)
\(6x-18-4x-44=-14\)
\(\left(6x-4x\right)+\left(-18-44\right)=-14\)
\(2x+\left(-62\right)=-14\)
\(2x=-14--62\)
\(2x=48\)
\(\Rightarrow x=24\)
học tốt
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Tl
Ko đăng câu hỏi ko liên quan đến nội dung giải toán nha
#Kirito
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My lovely house is deep in a quiet alley. But the house is always full of laughter and warm love. A three-story house with a worn dark brown wooden door. My living room is always neat and tidy with many objects: furniture, television, flowerpot, ... My favorite is the pictures and pictures hanging along the winding stairs. The stairs lead up to the bedrooms of the parents and the brothers. On the balcony, my mother planted a few pots of orchids, sunflowers, and colorful roses. They make the house more beautiful so that I will always love my home.
Many people dream to have a modern house located in the city, however, I love my house in my peaceful hometown. My house has only 2 floors and is not spacious, but the space is enough for a family to live cosily. My father painted the house blue, which is my favourite colour, and the ceiling is beautifully decorated with star and moon ornaments. My mother loves natural lights rather than artificial lights so each room has its own large windows. There is a balcony in my bedroom, where I can enjoy the breathtaking view of the sea every morning. We have a large garden where we plant flowers, which I can’t have if we live in the city. Because I have a job in the city, I only visit my house twice a month. The time I live in my house with my parents is always the best part in my life.
Đáp án: B