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10 + 10 = 20
Ai tôi ,tôi lại!
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I love too!
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Goku Coordinator
Condition : x+2≠0⇔x≠−2
There's no correct answer here
Ai mk,mk lại!
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\(24\times25=600\)
Ai mk,mk lại!
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20+20=40.
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\(2+4+6+...+996+998+1000\)
\(=2\times\left(1+2+3+...+498+499+500\right)\)
\(=2\times\dfrac{500\times501}{2}=250500\)
Ai mk,mk lại!
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Ai tck tui đó!
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Con sông,vì khúc gỗ có thể nổi lên mặt nước còn cục đá khong thể nổi lên mặt nước!
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1000 + 1000 = 2000.
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Có ai tình nguyện ko?
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10 x 10 = 100.
Nhanh mk,đc nhận !
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Phan Minh Anh
100x5=500.
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20 + 20 = 40.
Nhanh tay lên nào!Cơ hội có một!Cố lên!Cố lên!
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100 + 100 = 200.
Nhanh tay mk !
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ko hiểu
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\(2\div2=1.\)
me
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\(6\div2\left(1+2\right)=9\) or \(6\div2\left(1+2\right)=1\)
I don't know.
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Chắc chắn rồi!
4 vịt!