123321 - 34543 =
223245 : 5 =
85 : 5 =
TIM
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Tim B=81.((12-12/7-12/289-12/85)/(4-4/7-4/289-4/85))/((5+5/13+5/169+5/91)/(6+6/13+6/169+6/91)).158158158/711711711
Tim B=81.((12-12/7-12/289-12/85)/(4-4/7-4/289-4/85))/((5+5/13+5/169+5/91)/(6+6/13+6/169+6/91)).158158158/711711711
123321-123321+12344321+12-123+456=????
123321-123321+12344321+12-123+456= 12344666
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123456789:123321=0
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tim X
460 + 85 x 4 = \(\frac{X+175}{5}\) + 30
GIAI THEO CACH LOP 5
\(460+85\) x \(4=\frac{x+175}{5}+30\)
\(460+340=\frac{x+175}{5}+30\)
\(800=\frac{x+175}{5}+30\\ \frac{x+175}{5}=800-30\\ \frac{x+175}{5}=770\)
\(x+175=770\) x \(5\)
\(x+175=3850\\ x=3850-175\\ x=3675\)
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460 - 80 x 4 = ( x + 200) : 4
460 - 340 = (x + 200) : 4
120 = ( x + 200) : 4
x + 200 = 120 x 4
x + 200 = 480
x = 480 - 200
x = 280
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123321^3/321123^3=?
\((85\dfrac{7}{30}-83\dfrac{5}{18}):2\dfrac{2}{3}=0,01x:4\)
Tim x
\(\left(85\dfrac{7}{30}-83\dfrac{5}{18}\right):2\dfrac{2}{3}=0,01x:4\)
\(\Leftrightarrow[\left(85-83\right)+\left(\dfrac{7}{30}-\dfrac{5}{18}\right)]:2\dfrac{2}{3}=0,01x:4\)
\(\Leftrightarrow1\dfrac{43}{45}:2\dfrac{2}{3}=0,01x:4\)
\(\Leftrightarrow\dfrac{88}{45}:\dfrac{8}{3}=0,01x:4\)
\(\Leftrightarrow\dfrac{88}{45}.\dfrac{3}{8}=0,01x:4\)
\(\Leftrightarrow\dfrac{11}{15}=0,01x:4\)
\(\Leftrightarrow0,01x:4=\dfrac{11}{15}\)
\(\Leftrightarrow x=\dfrac{11}{15}.4:0,01\)
\(\Leftrightarrow x=\dfrac{880}{3}\)
Vậy x = \(\dfrac{880}{3}\)
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Ta có:
\(\left(85\dfrac{7}{30}-83\dfrac{5}{18}\right):2\dfrac{2}{3}=0.01x:4\\ \left(\left(85-83\right)+\left(\dfrac{7}{30}-\dfrac{5}{18}\right)\right):\dfrac{8}{3}=0.01x:4\\ \dfrac{88}{45}:\dfrac{8}{3}=0.01x:4\\ \dfrac{11}{15}=0.01x:4\\ \dfrac{44}{15}=0.01x\\ x=\dfrac{44}{15}:0.01\\ x=\dfrac{880}{3}\)
Vậy \(x=\dfrac{880}{3}\)
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tim so nguyen x
a,311-x+82=46+(x-21)
b,-(x-3+85)=(x+70-71)-5
1+1+1+1+1+1+1 x 234151 : 123321 = ?