imath - Graad 10 oefeninge i.v.m. berekening van buite-oppervlakte en volume van liggame, antwoorde. surface area and volume of bodies, answers

Question 1

Determine the following products :

$$ \hspace*{6 mm}\mathrm{1.\kern2mm\ a(b + c + d) } $$

[ Answer 1. ]

$$ \hspace*{6 mm}\mathrm{2.\kern2mm\ x(y + z + a) } $$

[ Answer 2. ]

$$ \hspace*{6 mm}\mathrm{3.\kern2mm\ b(a - c + d) } $$

[ A 3. ]

$$ \hspace*{6 mm}\mathrm{4.\kern2mm\ c(d + e - f) } $$

[ A 4. ]

$$ \hspace*{6 mm}\mathrm{5.\kern2mm\ e(a - b - c) } $$

[ A 5. ]

$$ \hspace*{6 mm}\mathrm{6.\kern2mm\ 2(a + b + c) } $$

[ A 6. ]

$$ \hspace*{6 mm}\mathrm{7.\kern2mm\ 3(x - y - z) } $$

[ A 7. ]

$$ \hspace*{6 mm}\mathrm{8.\kern2mm\ -4(x - y + z) } $$

[ A 8. ]

$$ \hspace*{6 mm}\mathrm{9.\kern2mm\ -2(a -b - c) } $$

[ A 9. ]

$$ \hspace*{6 mm}\mathrm{10.\kern2mm\ -3(p - q - x) } $$

[ A 10. ]

$$ \hspace*{6 mm}\mathrm{11.\kern2mm\ b(a - c + f) } $$

[ A 11. ]

$$ \hspace*{6 mm}\mathrm{12.\kern2mm\ m(p - q - r) } $$

[ A 12. ]

$$ \hspace*{6 mm}\mathrm{13.\kern2mm\ -a(b + c - d) } $$

[ A 13. ]

$$ \hspace*{6 mm}\mathrm{14.\kern2mm\ -p(q - x + y) } $$

[ A 14. ]

$$ \hspace*{6 mm}\mathrm{15.\kern2mm\ 2a(b + c - d) } $$

[ A 15. ]

$$ \hspace*{6 mm}\mathrm{16.\kern2mm\ 3p(m - n + x) } $$

[ A 16. ]

$$ \hspace*{6 mm}\mathrm{17.\kern2mm\ -2b(m + n - p) } $$

[ A 17. ]

$$ \hspace*{6 mm}\mathrm{18.\kern2mm\ -3p(a - 2b - c) } $$

[ A 18. ]

$$ \hspace*{6 mm}\mathrm{19.\kern2mm\ 4ab(p - 2q - 3x) } $$

[ A 19. ]

$$ \hspace*{6 mm}\mathrm{20.\kern2mm\ 5xy(2m + 4n - 7p) } $$

[ A 20. ]

$$ \hspace*{6 mm}\mathrm{21.\kern2mm\ -3pq(3x - 5y - 2z) } $$

[ A 21. ]

$$ \hspace*{6 mm}\mathrm{22.\kern2mm\ -4mn(a - 8b - 3c) } $$

[ A 22. ]

$$ \hspace*{6 mm}\mathrm{23.\kern2mm\ -5pq(2m + 9n - 7z) } $$

[ A 23. ]

$$ \hspace*{6 mm}\mathrm{24.\kern2mm\ -3ab(2x - 3y - 6z) } $$

[ A 24. ]

$$ \hspace*{6 mm}\mathrm{25.\kern2mm\ a(a - b - c) } $$

[ A 25. ]

$$ \hspace*{6 mm}\mathrm{26.\kern2mm\ n(m + n - z) } $$

[ A 26. ]

$$ \hspace*{6 mm}\mathrm{27.\kern2mm\ -3x(2x - 3y - 6z) } $$

[ A 27. ]

$$ \hspace*{6 mm}\mathrm{28.\kern2mm\ 2a(a - m - n) } $$

[ A 28. ]

$$ \hspace*{6 mm}\mathrm{29.\kern2mm\ -3n(2m + 5n - 7z) } $$

[ A 29. ]

$$ \hspace*{6 mm}\mathrm{30.\kern2mm\ -3xy(2x + 4y - 3z) } $$

[ A 30. ]

Question 1
Determine the following products :

$$ \hspace*{6 mm}\mathrm{1.\kern2mm\ a(b + c + d) } $$