ss các số hữu tỉ sau:
\(\frac{-289}{409}\) và \(\frac{-298}{401}\)
Giúp mik với nhé mik đang cần gấp
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\(\frac{-17}{26}\) < \(\frac{-16}{27}\)
HOK TOT~
-17/26 < -16/27
Ta có :
\(A+B+C\Rightarrow4x^2-5xy+3y^2+3x^2+2xy+y^2-x^2+3xy+2y^2=6x^2+6y^2\)
\(B-C-A\Rightarrow3x^2+2xy+y^2+x^2-3xy-2y^2-4x^2+5xy-3y^2=4xy-4y^2\)
\(C-A-B\Rightarrow-x^2+3xy+2y^2-4x^2+5xy-3y^2-3x^2-2xy-y^2=-8x^2+6xy-2y^2\)
1. You're waiting for your letter, do you? => aren't |
2. We had a good time together, hadn't we? => didn't |
3. Take me a pizza, must you? => do ( cái này mk ko nhớ lắm ) |
4. Let's have a cup of coffee, let's we? => shall/will |
1. She has lived in Manila slum for years, hasn't she ?
2. Daniel thinks Brazil is interesting, doesn't he ?
3. The world's population isn't growing in all countries, is it ?
4. Life must be very difficult in the slums, mustn't it ?
5. The homeless can't afford schooling, can they ?
\(\frac{-289}{409}>\frac{-298}{401}\)
\(\frac{298}{401}>\frac{298}{409}>\frac{289}{409}\)
\(\frac{298}{401}>\frac{289}{409}\)
\(-\frac{298}{401}< -\frac{289}{409}\)