Thực hiện phép tính:
\(\dfrac{4,5:\left[47,375-\left(26\dfrac{1}{3}-18.0,75\right).2,4:0,88\right]}{17,81:1,37-23\dfrac{2}{3}:1\dfrac{5}{6}}\)
Tính giúp mình nhanh chóng nha!
tính: \(G=\dfrac{4,5:\left[47,375-\left(26\dfrac{1}{3}-18.0,75\right).2,4:0,88\right]}{17,81:1,37-23\dfrac{2}{3}:1\dfrac{5}{6}}\)
\(G=\dfrac{\dfrac{9}{2}:\left[\dfrac{379}{8}-\dfrac{77}{6}\cdot\dfrac{12}{5}:\dfrac{22}{25}\right]}{13-\dfrac{71}{3}:\dfrac{11}{6}}=\dfrac{\dfrac{9}{2}:\dfrac{99}{8}}{\dfrac{1}{11}}=\dfrac{4}{11}:\dfrac{1}{11}=4\)
Tính :
\(G=\dfrac{4,5:\left[47,375-\left(26\dfrac{1}{3}-18.0,75\right).2,4:0,88\right]}{17,81:1,37-23\dfrac{2}{3}:1\dfrac{5}{6}}\)
bài 1 : Tính
G=\(\frac{4,5:\left[47,375-\left(26\frac{1}{3}-18.0,75\right).2,4:0,88\right]}{17,81:1,37-23\frac{2}{3}:1\frac{5}{6}}\)
\(\frac{4,5:\left[47,375-\left(26\frac{1}{3}-18.0,75\right).2,4:0,88\right]}{17,81:1,37-23\frac{2}{3}:1\frac{5}{6}}\)
Đặt A:
A = \(\frac{4,5:47,375-\left(26\frac{1}{3}-18.0,75\right).2,4:0,88}{17,81:1,37-23\frac{2}{3}:1\frac{5}{6}}\)
= \(\frac{\frac{9}{2}:\left[\frac{379}{8}-\left(\frac{79}{3}-\frac{27}{2}\right).\frac{30}{11}\right]}{13-\frac{71}{3}.\frac{6}{11}}\)
= \(\frac{\frac{9}{2}:\left[\frac{379}{8}-\frac{77}{6}.\frac{30}{11}\right]}{13-\frac{142}{11}}\)
= \(\frac{\frac{9}{2}:\left[\frac{379}{8}-35\right]}{\frac{1}{11}}\)
= \(\left(\frac{9}{2}:\frac{99}{8}\right).1\)
= \(\frac{4}{11}.11\) = 4
=> A = 4
G = \(\frac{4,5:\left[47,375-\left(26\frac{1}{3}-18.0,75\right).2,4:0,88\right]}{17,81:1,37-23\frac{2}{3}:1\frac{5}{6}}\)
Mình cần gấp bạn nào nhanh mình tick ạ cảm ơn
tính gt biểu thức cảm ơn trước nhiều nha
\(B=\frac{4,5:\left(47,375-\left(26\frac{1}{3}-18.0,75\right).2,4:0,88\right)}{17,81:1,37-23\frac{2}{3}:10\frac{5}{6}}\)
ấn mt ấy dễ mà mình ra \(\frac{260}{7733}\)
\(G=\frac{45:\left[47,375-\left(26\frac{1}{3}-18.0,75\right).2,4:0,88\right]}{17,81:1,37-23\frac{2}{3}:1\frac{5}{6}}\)
\(\frac{4,5:\left[47,735-\left(26\frac{1}{3}-18.0,75\right).2,4:0,88\right]}{17,81:1,37-23\frac{2}{3}:1\frac{5}{6}}\)
\(\frac{4,5\div\left[47,735-\left(26\frac{1}{3}-18.0,75\right).2,4\div0,88\right]}{17,81\div1,37-23\frac{2}{3}\div1\frac{5}{6}}\)
\(=\frac{4,5\div\left[47,735-\left(\frac{79}{3}-\frac{27}{2}\right)\cdot\frac{30}{11}\right]}{13-\frac{142}{11}}\)
\(=\frac{4,5\div\left[47,735-\frac{77}{6}\cdot\frac{30}{11}\right]}{\frac{1}{11}}=\frac{4,5\div\left[47,735-35\right]}{\frac{1}{11}}\)
\(=\frac{4,5\div12,735}{\frac{1}{11}}=\frac{100}{283}\div\frac{1}{11}=\frac{1100}{283}\)
thực hiện phép tính: \(\frac{4,5\left[47,375-\left(26\frac{1}{3}-18.0,75\right).0,24:0,88\right]}{17,81:1,37-23\frac{2}{3}:1\frac{5}{6}}\)
tìm các giá trị của x,y thỏa mãn : giá trị tuyệt đối của( \(2x-27^{2007}\) ) \(+\left(3Y+10\right)^{2008}=0\)
GIÚP MK VS. MK CẦN GẤP
thực hiện phép tính bằng -4,8172906
còn lại dễ bạn tự làm nhé!!!
hỏi luffy toán học ấy
b) Ta có: \(\hept{\begin{cases}\left|2x-27\right|^{2007}\ge0\left(\forall x\right)\\\left(3y+10\right)^{2008}\ge0\left(\forall y\right)\end{cases}}\)
Để \(\left|2x-27\right|^{2007}+\left(3y+10\right)^{2008}=0\)
\(\Rightarrow\hept{\begin{cases}\left|2x-27\right|^{2017}=0\\\left(3y+10\right)^{2008}=0\end{cases}}\Rightarrow\hept{\begin{cases}2x-27=0\\3y+10=0\end{cases}}\Rightarrow\hept{\begin{cases}x=\frac{27}{2}=13,5\\y=-\frac{10}{3}\end{cases}}\)