2+2+2+2+2+2+2+2+2+2.0+2
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Tìm nghiệm của đa thức
2.0+8
\(\frac{1}{2}.0+3\)
\(0^2-2.0\)
3,42 + 2.05 = ?
? + ? = ?
? x 2 = ?
3.4 2 + 2.0 5 =
= 3.16 + 2.1
= 48 + 2
= 50
50 + 50 = 100
100 x 2 = 200
ai k mình k lại
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3.42 + 2.05 =
= 3.16 + 2.1
= 48 + 2
= 50
50 + 50 = 100
100 x 2 = 200
ai k mình k lại
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sakura ăn gian các bạn ơi nó bảo tích mình mình tích lại mà mình tích nó nó không tích lại
Nên đừng k cho nó nhé ( thanks you very much)
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Điền chữ số thích hợp vào ô trống:
6,46.... < 6,416
5,518 < 5,51...
Tìm chữ số x biết 49,94 > 49,9x.
1.1; 2; 3
2.0; 1; 2; 3; 4
3.0; 2; 3
4.0; 1; 2; 3
1.4.0.4+1.1+2.0 +2+5+8+3+6+9+1+4+7.1.2.4.7.56.9.0
=39
tính máy tính nha bạn chính xác 100 %
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với fleft(xright)fleft(0right)Rightarrow yfleft(0right)2.0+frac{1}{2}Rightarrow yfrac{1}{2}với fleft(xright)fleft(1right)Rightarrow yfleft(1right)2.1+frac{1}{2}Rightarrow y...với fleft(xright)fleft(frac{1}{2}right)Rightarrow yfleft(frac{1}{2}right)2.frac{1}{2}+frac{1}{2}Rightarrow y.....vớifleft(xright)fleft(-2right)Rightarrow yfleft(-2right)2.left(-2right)+frac{1}{2}Rightarrow y...
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với \(f\left(x\right)=f\left(0\right)\Rightarrow y=f\left(0\right)=2.0+\frac{1}{2}\Rightarrow y=\frac{1}{2}\)
với \(f\left(x\right)=f\left(1\right)\Rightarrow y=f\left(1\right)=2.1+\frac{1}{2}\Rightarrow y=...\)
với \(f\left(x\right)=f\left(\frac{1}{2}\right)\Rightarrow y=f\left(\frac{1}{2}\right)=2.\frac{1}{2}+\frac{1}{2}\Rightarrow y=.....\)
với\(f\left(x\right)=f\left(-2\right)\Rightarrow y=f\left(-2\right)=2.\left(-2\right)+\frac{1}{2}\Rightarrow y=...\)
Question III. Give the correct form of the following verbs: ( 2.0 points)1.Peter ____________ ________ football yesterday. (play) 2. When I came, the whole family _________ _____ dinner around a big dining table. (have)3. Children should_____________ things from adults with both hands. (take)4. My father and I __________ up at 5 o’clock every morning. (get)5. They _________...
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Question III. Give the correct form of the following verbs: ( 2.0 points)
1.Peter ____________ ________ football yesterday. (play)
|
|
2. When I came, the whole family _________ _____ dinner around a big dining table. (have) |
3. Children should_____________ things from adults with both hands. (take) 4. My father and I __________ up at 5 o’clock every morning. (get) 5. They _________________ English at the moment. ( learn) 6.We ____________________ to Hung King Festival since last Sunday. (go) 7. Before leaving the dinner table, _________your son ________ ask for permission? (have to) 8.When I ___________ ,the whole family was having dinner around a big dining table. (come) |
1 played
2 was having
3 take
4 get
5 are learning
6 have gone
7 Does - have to
8 came
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\(Tính:\)
\(A=\frac{1}{1.2}+\frac{1}{2.0}+\frac{1}{3.0}+\frac{1}{4.2}+\frac{1}{5.6}\)
\(B=\frac{2}{1.3}+\frac{2}{3.5}+\frac{4}{5\cdot7}+.......+\frac{9}{27\cdot29}\)
Câu 5. (2.0 điểm) Cho tam giác ABC có 2 phân giác của góc B,C cắt nhau tại M. Biết góc BMC=118 độ. Tính Góc BAC
Vì BM là p/g của \(\widehat{ABC}\) nên \(\widehat{B_1}=\widehat{B_2}=\dfrac{\widehat{ABC}}{2}\)
Vì CM là p/g của \(\widehat{ACB}\) nên \(\widehat{C_1}=\widehat{C_2}=\dfrac{\widehat{ACB}}{2}\)
Ta có:\(\widehat{C_1}+\widehat{B_2}+\widehat{BMC}=180^o\) (tổng ba góc của một tam giác)
\(\widehat{C_1}+\widehat{B_2}=180^o-118^o\)
\(\widehat{C_1}+\widehat{B_2}=62^o\)
\(\Rightarrow\dfrac{\widehat{ABC}}{2}+\dfrac{\widehat{ACB}}{2}=62^o\)
\(\Rightarrow\widehat{ABC}+\widehat{ACB}=124^o\)
Ta có:\(\widehat{CAB}+\widehat{ABC}+\widehat{BAC}=180^o\) (tổng ba góc của một tam giác)
\(124^o+\widehat{BAC}=180^o\)
\(\widehat{BAC}=56^o\)
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Ta có: \(\widehat{BMC}+\widehat{MBC}+\widehat{MCB}=180^0\)
\(\Leftrightarrow\left(\widehat{ABC}+\widehat{ACB}\right)\cdot\dfrac{1}{2}=62^0\)
\(\Leftrightarrow\widehat{ABC}+\widehat{ACB}=124^0\)
\(\Leftrightarrow\widehat{BAC}=56^0\)
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Câu 2. Tìm số nguyên thỏa mãn x-1/2=y-2/3=z+3/4 và x-3y+4=10
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IV. WRITING (2.0 marks) A. Using the given words to make meaningful sentences.(0.5) 1. Tet/ not only/ a time/ love/ but also/ people/ express/ thanks / Gods/ ancestors …………………………………………………………………………………………………………………………………………………………………………………………………………2. celebrate/ Tet/ Vietnamese people/ make/ tasty/ foods/ decorate/ houses. ………………………………………………………………………………………………………………………………………………………………………………………………………….3. Children/ like/ Tet/ it/ long holiday/ moreover/ can/ receive/ lucky money. ………………………………………………………………...
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IV. WRITING (2.0 marks) A. Using the given words to make meaningful sentences.(0.5) 1. Tet/ not only/ a time/ love/ but also/ people/ express/ thanks / Gods/ ancestors …………………………………………………………………………………………………………………………………………………………………………………………………………
2. celebrate/ Tet/ Vietnamese people/ make/ tasty/ foods/ decorate/ houses. ………………………………………………………………………………………………………………………………………………………………………………………………………….
3. Children/ like/ Tet/ it/ long holiday/ moreover/ can/ receive/ lucky money. …………………………………………………………………………………………………………………………………………………………………………………………………………
4. Use/ computer/ your hobby/ can/ harmful/ both/ health/ social life. ………………………………………………………………………………………………………………………………………………………………………………………………………….
5. If/ you/ use/ computer/ much/ will not/ time/ your family/ friends. …………………………………………………………………………………………………… ……………………………………………………………………………………………………