Помогиое с математикой
1. a) ( 4m + 3n - 2m + 5n )
б) ( 6(2p + 3) - 4 )
2. a) ( 8x - 3y + 2x - 5y )
б) ( 5(3a - 4) + 2 )
3. a) ( 7p - 4q + 2p + q )
б) ( 9(1 + 2b) - 3b )
4. a) ( 6a + 4b - 3a - 2b )
б) ( 2(4x + 5) - 3(x - 1) )
5. a) ( 10m - 5n + 3m - 4n )
б) ( 4(5y - 2) + 3 )
6. a) ( 9k + 7m - 5k - 3m )
б) ( 5(2x + 1) - 2(3x - 4) )
7. a) ( 2p - 3q + 4p + 2q )
б) ( 3(2a - 1) + 4(a + 2))
8. a) ( 5x + 2y - 4x + 6y )
б) ( 7(3b + 2) - 5b )
9. a) ( 3a + 5b - 2a - 9b )
б) ( 8(c + 2) - 4(c - 1) )
10. a) ( 4m - 2n + 3n - 4m )
б) ( 6(5 - 2x) + 4x )
11. a) ( 10x - 7y + 8y - 3x )
б) ( 2(4a + 3) - 3(2a - 5) )
12. a) ( 6p + 6q - 4p - 2q )
б) ( 3(2b + 1) - b )
13. a) ( 12a - 5b + 3b - 7a )
б) ( 4(3x - 2) + 3(x + 1) )
14. a) ( 9x - 3y + y - 5x )
б) ( 7(2a + 3) - 4(3a - 1) )
15. a) ( 8p + 6q - 4p - 5q )
б) ( 5(3 - 2b) + 4b )
a) 4m+3n−2m+5n=2m+8n
б) 6(2p+3)−4=12p+18−4=12p+14
a) 8x−3y+2x−5y=10x−8y
б) 5(3a−4)+2=15a−20+2=15a−18
a) 7p−4q+2p+q=9p−3q
б) 9(1+2b)−3b=9+18b−3b=9+15b
a) 6a+4b−3a−2b=3a+2b
б) 2(4x+5)−3(x−1)=8x+10−3x+3=5x+13
a) 10m−5n+3m−4n=13m−9n
б) 4(5y−2)+3=20y−8+3=20y−5
a) 9k+7m−5k−3m=4k+4m
б) 5(2x+1)−2(3x−4)=10x+5−6x+8=4x+13
a) 2p−3q+4p+2q=6p−q
б) 3(2a−1)+4(a+2)=6a−3+4a+8=10a+5
a) 5x+2y−4x+6y=11y−3x
б) 7(3b+2)−5b=21b+14−5b=16b+14
a) 3a+5b−2a−9b=a−4b
б) 8(c+2)−4(c−1)=8c+16−4c+4=4c+20
a) 4m−2n+3n−4m=−m+n
б) 6(5−2x)+4x=30−12x+4x=30−8x
a) 10x−7y+8y−3x=7x+y
б) 2(4a+3)−3(2a−5)=8a+6−6a+15=2a+21
a) 6p+6q−4p−2q=2p+4q
Вот результаты для всех 15 задач:
а) 2m + 8n
б) 12p + 14
а) 10x - 8y (8x - 3y + 2x - 5y = 10x - 8y)
б) 15a - 18 (5(3a - 4) + 2 = 15a - 18)
а) 9p - 3q (7p - 4q + 2p + q = 9p - 3q)
б) 15b + 9 (9(1 + 2b) - 3b = 15b + 9)
а) 3a + 2b (6a + 4b - 3a - 2b = 3a + 2b)
б) x + 13 (2(4x + 5) - 3(x - 1) = x + 13)
а) 13m - 9n (10m - 5n + 3m - 4n = 13m - 9n)
б) 23y - 5 (4(5y - 2) + 3 = 20y - 8 + 3 = 20y - 5)
а) 4k + 4m (9k + 7m - 5k - 3m = 4k + 4m)
б) -x + 26 (5(2x + 1) - 2(3x - 4) = 10x + 5 - 6x + 8 = -x + 13)
а) 6p - q (2p - 3q + 4p + 2q = 6p - q)
б) 7a + 5 (3(2a - 1) + 4(a + 2) = 6a - 3 + 4a + 8 = 10a + 5)
а) x + 8y (5x + 2y - 4x + 6y = x + 8y)
б) 19b + 14 (7(3b + 2) - 5b = 21b + 14 - 5b = 16b + 14)
а) a - 4b (3a + 5b - 2a - 9b = a - 4b)
б) 8c + 12 (8(c + 2) - 4(c - 1) = 8c + 16 - 4c + 4 = 4c + 20)
а) n - 4m (4m - 2n + 3n - 4m = -n)
б) -12x + 36 (6(5 - 2x) + 4x = 30 - 12x + 4x = -8x + 30)
а) 7y + 7 (10x - 7y + 8y - 3x = 7y + 7)
б) 17 (2(4a + 3) - 3(2a - 5) = 8a + 6 - 6a + 15 = 17)
а) 2p + 4q (6p + 6q - 4p - 2q = 2p + 4q)
б) 6 (3(2b + 1) - b = 6b + 3 - b = 5b + 3)
а) 5a - 2b (12a - 5b + 3b - 7a = 5a - 2b)
б) 21 (4(3x - 2) + 3(x + 1) = 12x - 8 + 3x + 3 = 15x - 5)
а) 4x - 2y (9x - 3y + y - 5x = 4x - 2y)
б) -a + 37 (7(2a + 3) - 4(3a - 1) = 14a + 21 - 12a + 4 = 2a + 25)
а) 4p + q (8p + 6q - 4p - 5q = 4p + q)
б) 38 (5(3 - 2b) + 4b = 15 - 10b + 4b = 15 - 6b)
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