Herleid.
1p
\(5 x - 8 x\)
○
\(5 x - 8 x = -3 x\)
1p
Herleid.
1p
\(-8 a - 4 a\)
○
\(-8 a - 4 a = -12 a\)
1p
Herleid.
1p
\(-2 p q - 4 p q\)
○
\(-2 p q - 4 p q = -6 p q\)
1p
Herleid.
1p
\(-9 p + 0\)
○
\(-9 p + 0 = -9 p\)
1p
Herleid.
1p
\(4 x - y - 9 x\)
○
\(4 x - y - 9 x = -5 x - y\)
1p
Herleid.
1p
\(-6 p + 4 q - 7 q\)
○
\(-6 p + 4 q - 7 q = -6 p - 3 q\)
1p
Herleid.
1p
\(-3 x + 5 y + 7 x - 2 y\)
○
\(-3 x + 5 y + 7 x - 2 y = 4 x + 3 y\)
1p
Herleid.
1p
\(9 x - 3 + 4 x - 6\)
○
\(9 x - 3 + 4 x - 6 = 13 x - 9\)
1p
Herleid.
1p
\(5 a + -4 b + 7 a\)
○
\(5 a + -4 b + 7 a = 12 a - 4 b\)
1p
Herleid.
1p
\(-8 x - -4 x + 7 y\)
○
\(-8 x - -4 x + 7 y = -4 x + 7 y\)
1p
Herleid.
1p
\(-a - 6 a b + 2 b - 5 a b\)
○
\(-a - 6 a b + 2 b - 5 a b = -a + 2 b - 11 a b\)
1p
Herleid.
1p
\(2 x y - 4 y - x y + 4 y\)
○
\(2 x y - 4 y - x y + 4 y = x y\)
1p
Herleid.
1p
\(6 a + 2 b\)
○
Kan niet korter.
1p
Herleid.
1p
\(-6 x - 9 x y\)
○
Kan niet korter.
1p
Herleid.
1p
\(x + x + x + x + x\)
○
\(x + x + x + x + x = 5 x\)
1p
Herleid.
1p
\(5 a + 7 a\)
○
\(5 a + 7 a = 12 a\)
1p
Herleid.
1p
\(6 a b + 8 a b\)
○
\(6 a b + 8 a b = 14 a b\)
1p
Herleid.
1p
\(2 a + 3 a + 6 a\)
○
\(2 a + 3 a + 6 a = 11 a\)
1p
Herleid.
1p
\(9 p - 9 p\)
○
\(9 p - 9 p = 0\)
1p
Herleid.
1p
\(-4 ⋅ 3 x\)
○
\(-4 ⋅ 3 x = -12 x\)
1p
Herleid.
1p
\(4 a ⋅ 5 b\)
○
\(4 a ⋅ 5 b = 20 a b\)
1p
Herleid.
1p
\(-3 x ⋅ -4 y\)
○
\(-3 x ⋅ -4 y = 12 x y\)
1p
Herleid.
1p
\(5 p ⋅ 6 p\)
○
\(5 p ⋅ 6 p = 30 p^{2}\)
1p
Herleid.
1p
\(4 p ⋅ 2 q ⋅ -r\)
○
\(4 p ⋅ 2 q ⋅ -r = -8 p q r\)
1p
Herleid.
1p
\(-3 a ⋅ -b ⋅ 5 a\)
○
\(-3 a ⋅ -b ⋅ 5 a = 15 a^{2} b\)
1p
Herleid.
1p
\(0 ⋅ -a\)
○
\(0 ⋅ -a = 0\)
1p
Herleid.
1p
\(-p ⋅ -2 p q\)
○
\(-p ⋅ -2 p q = 2 p^{2} q\)
1p
Herleid.
1p
\(-y ⋅ 2 ⋅ -3 x y\)
○
\(-y ⋅ 2 ⋅ -3 x y = 6 x y^{2}\)
1p