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ta co X x 4 +X = 55,35
X x 5 = 55,35f
X=55,35 chia 5
ban tu tinh nha
x * 4 + 0 , 5 * x = 55 , 35
x * ( 4 + 0 , 5 ) = 55 , 35
x * 4, 5 = 55 , 35
x = 55 , 35 : 4 , 5
x = 12 , 3
Vậy x = 12 , 3
\(4x+\frac{1}{2}x=55,35.\)
\(\Leftrightarrow\left(4+\frac{1}{2}\right)x=55,35.\)
\(\Leftrightarrow4,5x=55,35\)
\(\Leftrightarrow x=12,3\)
\(x\cdot4+\frac{1}{2}\cdot x=55,35\)
\(x\cdot\left(4+\frac{1}{2}\right)=55,35\)
\(x\cdot\frac{9}{2}=55,35\)
\(x=12,3\)
x*4+1/2*x=55,35
=x*(4+1/2)=55,35
=x*4,5=55,35
=55,35:4,5
=12,3
Bài 1: 0,01m3 < 1,99m3
Bài 2: Tìm \(x\):
\(x\)x 4 + \(\frac{1}{2}\)x \(x\)= 55,35
\(x\)x (4 + \(\frac{1}{2}\)) = 55,35
\(x\)x \(\frac{9}{2}\)= 55,35
\(x\)= 55,35 : \(\frac{9}{2}\)
\(x\)= 249,075
1,
\(0,01m^3=\frac{1}{100}m^3\); vậy \(\frac{1}{100}m^3< \frac{1}{99}m^3\)
2, Lời giải
\(x\cdot4+\frac{1}{2}\cdot x=55,35\)
\(\Rightarrow x\cdot\left(4+\frac{1}{2}\right)=55,35\)
\(\Rightarrow x\cdot4\frac{1}{2}=55.35\)
\(\Rightarrow x\cdot4,5=55,35\)
\(x=55,35:4,5\)
\(x=12,3\)
\(x\times4+x=55,35\)
\(x\left(4+1\right)=55,35\)
\(x5\) \(=55,35\)
\(x\) \(=55,35\div5\)
\(x\) \(=11,07\)
x×4+x=55,35�×4+�=55,35
x×4+x×1=55,35�×4+�×1=55,35
x×(4+1)=55,35�×(4+1)=55,35
x×5=55,35�×5=55,35
x=55,35:5�=55,35:5
x=11,07�=11,07
Vậy x = 11,07`
x×4+x=55,35�×4+�=55,35
x×4+x×1=55,35�×4+�×1=55,35
x×(4+1)=55,35�×(4+1)=55,35
x×5=55,35�×5=55,35
x=55,35:5�=55,35:5
x=11,07�=11,07
Vậy x = 11,07`