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13. What should be added to 1,25 a b-0.7 ab +5.75 ab' to get 5.01ab
14. Simplify the express...
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Mathematics, 27.12.2020 17:00 emberferran
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13. What should be added to 1,25 a b-0.7 ab +5.75 ab' to get 5.01ab
14. Simplify the expressions and evaluate their values as directed.
(a) 3y(2y - 7) - 3(y - 4) - 63 for y = -2
(b) -P-\m- n?)-p?(? - m²) +n+lp? - F )+ m² (nº -p?) for 1 = 1, m= -2,n=-1, p = 2
15. How much smaller is 2x3 - 2x + 5 than 7 + 5x + 3x ?
16. How much larger is 8x? - 9y2 than 3x – 2y??
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