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ellenlloopes
@ellenlloopes
October 2021
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Calcule:
a) 6 · (10 X)
b) -4 · (3 a)
c) 2· (-5 X)
d) (-0,3a) · (1,2 X)
Preciso urgente :s
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emicosonia
Calcule:
a) 6 · (10 X) basta fazer a distributiva (multiplicar)
6(10x) =
60x
b) -4 · (3 a)
-4(3a) =
- 12a
c) 2· (-5 X)
2(-5x) =
- 10x
d) (-0,3a) · (1,2 X)
(-0,3a)(1,2x) =
- 0,36ax
ou
0,3 = 3/10
1,2 = 12/10
3 12 3x12 36
(- ----a)(-------x) = - ------ax = - --------ax =
- 0,36ax
10 10 10x10 100
Preciso urgente :s
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6(10x) = 60x
b) -4 · (3 a)
-4(3a) = - 12a
c) 2· (-5 X)
2(-5x) = - 10x
d) (-0,3a) · (1,2 X)
(-0,3a)(1,2x) = - 0,36ax
ou
0,3 = 3/10
1,2 = 12/10
3 12 3x12 36
(- ----a)(-------x) = - ------ax = - --------ax = - 0,36ax
10 10 10x10 100
Preciso urgente :s