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Ta có: \(2008\cdot\left(2009-84\right)+1004\cdot\left(-32-2\cdot2009\right)\)
\(=2008\cdot2009-2008\cdot84-1004\cdot32-1004\cdot2\cdot2009\)
\(=-2008\cdot84-1004\cdot32\)
\(=-2008\cdot84-2008\cdot16\)
\(=-2008\cdot\left(84+16\right)\)
\(=-2008\cdot100=-200800\)
his/friend/in/family/live/My/Hanoi/doesn't/with
=> My friend doesn't live in Ha Noi with his family
\(\left(3.x^2-2^4\right)2^3=2^8\\ \left(3.x^2-2^4\right)=2^8:2^3\\ \left(3.x^2-2^4\right)=2^5\\ 3.x^2-2^4=32\\ 3.x^2=32+2^4\\ 3.x^2=48\\ x^2=48:3\\ x^2=16\\ x=+-4\)
quả dưa hấu
* Câu này có trong trương trình '' Nhanh như chớp '' nè!!!
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