Getal & Ruimte (13e editie) - 2 havo/vwo
'Rekenvolgorde met letters'.
| 2 havo/vwo | 1.vk Letterrekenen |
opgave 1Herleid. 1p a \(2 ⋅ 3 p + 4 ⋅ 5 p\) Rekenvolgorde (1) 00mg - Rekenvolgorde met letters - basis - 0ms - dynamic variables a \(2 ⋅ 3 p + 4 ⋅ 5 p = 6 p + 20 p = 26 p\) 1p 1p b \(-3 ⋅ x - 2 ⋅ -5 x\) Rekenvolgorde (2) 00mh - Rekenvolgorde met letters - basis - 0ms - dynamic variables b \(-3 ⋅ x - 2 ⋅ -5 x = -3 x + 10 x = 7 x\) 1p 1p c \(-a ⋅ 2 b - 6 a ⋅ 3 b\) Rekenvolgorde (3) 00mi - Rekenvolgorde met letters - basis - 0ms - dynamic variables c \(-a ⋅ 2 b - 6 a ⋅ 3 b = -2 a b - 18 a b = -20 a b\) 1p 1p d \(3 x ⋅ -2 x - 6 x ⋅ -5 x\) Rekenvolgorde (4) 00mj - Rekenvolgorde met letters - basis - 0ms - dynamic variables d \(3 x ⋅ -2 x - 6 x ⋅ -5 x = -6 x^{2} + 30 x^{2} = 24 x^{2}\) 1p opgave 2Herleid. 1p a \(a + 6 + 2 ⋅ -3 a\) Rekenvolgorde (5) 00mk - Rekenvolgorde met letters - basis - 0ms - dynamic variables a \(a + 6 + 2 ⋅ -3 a = a + 6 - 6 a = -5 a + 6\) 1p 1p b \(4 a ⋅ -6 b ⋅ 5 c - 3 x\kern{-.8pt}y\kern{-.8pt}z\) Rekenvolgorde (6) 00ml - Rekenvolgorde met letters - basis - 0ms - dynamic variables b \(4 a ⋅ -6 b ⋅ 5 c - 3 a b c = -120 a b c - 3 a b c = -123 a b c\) 1p 1p c \(4 x + 2 ⋅ 6 x + 3 x\) Rekenvolgorde (7) 00mm - Rekenvolgorde met letters - basis - 0ms - dynamic variables c \(4 x + 2 ⋅ 6 x + 3 x = 4 x + 12 x + 3 x = 19 x\) 1p 1p d \(2 x - 4 x ⋅ 3 x + 6 x\) Rekenvolgorde (8) 00mn - Rekenvolgorde met letters - basis - 0ms - dynamic variables d \(2 x - 4 x ⋅ 3 x + 6 x = 2 x - 12 x^{2} + 6 x = -12 x^{2} + 8 x\) 1p opgave 3Herleid. 1p \(4 a b + 2 a + 6 a ⋅ -3 b + b\) Rekenvolgorde (9) 00mo - Rekenvolgorde met letters - basis - 0ms - dynamic variables ○ \(4 a b + 2 a + 6 a ⋅ -3 b + b = 4 a b + 2 a - 18 a b + b = -14 a b + 2 a + b\) 1p |