1-mavzu: O’xshash xadlarni ixchamlash 1- misol


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Bog'liq
7-sinf Algebra


120- misol

1) 2m + q + q – 4m 3) x2 + 3y2 + 4x – y2

2) 3a + 2b – b – a 4) 5a2 – 4b2 – 3a2 + b2

121- misol

1) 0,3c2 – 0,1c2 – 0,5c2 3) 11x2 + 4x – x2 – 4x



2) 1,2a2 + 3,4 a2 – 0,8 a2 4) 2y2 – 3y + 2y – 2y2
122-misol

1) 22 + 2) 2 + b2 + 22

3) 2ab + 0,7b2 – 5ab + 1,2b2 + 8ab 4)5xy – 3,5y2 – 2xy + 1,3y2 – xy



123- misol

1) – 2y + xy – 2y – xy 2) b2b2 + 2b – 2b – b2

3) – 9,387a – 3,89b + 8,197a – 1,11b – 0,81a

4) 8,53x – 4,73y – 5,12x + 2,27y + 0,59x

124-misol

1) 2a2b – 8b2 + 5a2b + 5c2 – 3b2 + 4c2 2) 8xy2 + 4x3 – 5x2y – 3x3 + 4x2y – 9xy2



3) a23 +2 + 3

4) b23 + b23 + 3

125- misol

1) 5b3b – 4c3b – 5b2c – 4c (–2)c

2) b8b – 3c8b + 5cb – 3c5c

3) 6a22a2 + 5b22a2 – 6a24b2 – 5b24b2



4) 2x22 + aab

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