2)calcule o valor dessas expressões numéricas
2. 2
a)7. +√81:3
b)4+6.√25
2. 4. 0. 1
c).(10. + 2. - 4.):5
2. 2
a)7. +√81:3
b)4+6.√25
2. 4. 0. 1
c).(10. + 2. - 4.):5
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Resposta:
acho q e a sim eu procurei mais acho q e a resposta
Resposta:
A)50
B)34
C)23
Explicação passo-a-passo:
A)7^2 +V81 ÷3^2=
7^2 + V81 ÷3^2
7^2
7×7
49
7^2 + V81 ÷3^2
49+V81÷3^2
V81
V9^2
9
7^2 +V81÷3^2
49+9÷3^2
49+3^2÷3^2
49+1
50
Resposta
50
B)4+6.V25=
4+6V25
V25
V5^2
5
4+6V25
4+6×5
4+30
34
Resposta
34
C) (10^2+2^4-4^0)÷5^1
(10^2+2^4-4^0)÷5^1
10^2
10×10
100
(10^2+2^4-4^0)÷5^1
(100+2^4-4^0)÷5^1
(10^2+2^4-4^0)÷5^1
2^4
2×2×2×2
16
(10^2+2^4-4^0)÷5^1
(100+16-4^0)÷5^1
(10^2+2^4-4^0)÷5^1
(100+16-1)÷5^1
(10^2+2^4-4^0)÷5^1
(100+16-1)÷5
100+16-1
116-1
155
(100+16-1)÷5
115÷5
23
Resposta
23