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1) \(A=\left\{136-32.\left[\left(25:25+17.2016^0\right):3-3\right]\right\}:102.52\)
\(\Rightarrow A=\left\{136-32.\left[\left(1+17\right):3-3\right]\right\}:102.52\)
\(\Rightarrow A=\left[136-32.\left(18:3-3\right)\right]:102.52\)
\(\Rightarrow A=\left[136-32.\left(6-3\right)\right]:102.52\)
\(\Rightarrow A=\left(136-32.3\right):102.52\)
\(\Rightarrow A=\left(136-96\right):102.52\)
\(\Rightarrow A=40:102.52\)
\(\Rightarrow A=\dfrac{20}{51}.52\)
\(\Rightarrow A=\dfrac{1040}{51}\)
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100 x 2 + ( 5 x 200 ) + 120 x 5
= 100 x 2 + 1000 + 120 x 5
= ( 100 x 2 ) + 1000 + ( 120 x 5 )
= 200 + 1000 + 600
= 1800
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Mìk xin lỗi nha, câu a sai rùi, làm lại cho:
a) \(12.3^2-2^3.\left(2015^0+1^3\right)=12.9-8.\left(1+1\right)\)
\(=12.9-8.2=108-16=92\)
OK rùi đấy, tick nha thank you trước
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12.3=36
5.120=600
(+5).(+120)
=600
12.3 = 36
5.120 =600
(+5).(+120) = 600
k mình nha