1. Zapisz w postaci potęgi.
a) 10 x 10 x 10 = 10 [ ]
b) 7 x 7 x 7 x 7 = [ ] [ ]
c) (-9) x (-9) x (-9) = [ ]
d) 0,8 x 0,8 x 0,8 x 0,8 = [ ]
e) 8 =
f) (1/5) x (1/5) x (1/5) x (1/5) x (1/5) x (1/5) = [ ]
2. Uzupełnij.
a) 2 [ ] = 16
b) 3 [ ] = 27
c) 8 [ ] = 8
d) [ ] 2 = 4
e) [ ] 2 = 9
f) [ ] 4 = 256
g) 17 [ ] = 1
h) 5 [ ] 625
i) (1/2) [ ] = 1/4
3. Zapisz iloczyny, używając potęg.
a) 2 x 2 x 2 x 3 x 3 x 3 = [ ]
b) (-4) x (-4) x 3 x 3 x (-4) = [ ]
c) (-2) x 1/2 x (-2) x 1/2 = [ ]
d) 5 x 3 x 3 x 5 x 2 x 5 = [ ]
e) (1 cała i 1/3) x (1 cała i 1/3) x (4/3) x (4/3) x (4/3) = [ ]
4. Uzupełnij.
a) 7 [ ] = 1
b) 8 [ ] = 512
c) (-2) [ ] = -32
d) 0,5 [ ] = 0,125
e) (1/ [ ] ) 2 = 1/25
f) (7/11) [ ] = 343/1331
g) ( [ ] / 6 ) [ ] = 9/36
h) ( [ ] / 2 ) [ ] = 9
i) ( [ ] / [ ] ) [ ] = 1
Wytłumaczenie :
x - mnożenie
[ ] - pole, w którym trzeba wpisać liczbę
ps. daję najlepsza za rozwiązanie wszystkiego...
książka to matematyka 2001 klasa 6 ... ćw. strona 30, 31. :)
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a) 10 x 10 x 10 = 10⁴
b) 7 x 7 x 7 x 7 = 7⁴
c) (-9) x (-9) x (-9) = (-9)³
d) 0,8 x 0,8 x 0,8 x 0,8 = 0,8 ⁴
e) 8 = 8¹
f) (1/5) x (1/5) x (1/5) x (1/5) x (1/5) x (1/5) = (1/5)⁶
a) 2⁴ = 16
b) 3³ = 27
c) 8¹ = 8
d) 2² = 4
e) 3² = 9
f) 4⁴ = 256
g) 17⁰ = 1
h) 5⁴=625
i) (1/2) ² = 1/4
a) 2 x 2 x 2 x 3 x 3 x 3 = 2³ x 3³
b) (-4) x (-4) x 3 x 3 x (-4) = (-4)³x3²
c) (-2) x 1/2 x (-2) x 1/2 = (-2)²x (1/2)²
d) 5 x 3 x 3 x 5 x 2 x 5 = 5³x3²x2¹
e) (1 cała i 1/3) x (1 cała i 1/3) x (4/3) x (4/3) x (4/3) = (1 1/3)²x(4/3)³
a) 7⁰ = 1
b) 8³ = 512
c) (-2)⁵ = -32
d) 0,5³ = 0,125
e) (1/ 5 ) 2 = 1/25
f) (7/11)³ = 343/1331
g) ( 3 / 6 )² = 9/36
h) ( 6 / 2 )² = 9
i) ( 3 /3)⁰ = 1
powinno być ok .