tim x biet x:0.25+x:0.5+x+x:0.01=321
x : 0.25 + x : 0.5 + x + x : 0.01 = 321
x : 0,25 + x : 0,5 + x + x : 0,01 = 321
\(x\times4+x\times2+x+x\times100=321\)
\(x\times\left(4+2+1+100\right)=321\)
\(x\times107=321\)
\(x=321:107\)
x = 3
x : 0,25 + x : 0,5 + x + x : 0,01 = 321
x * 4 + x * 2 + x *1 + x * 100 = 321
x * ( 4 + 2 + 1 + 100 ) = 321
x * 107 = 321
x = 321 : 107
x = 3
* là dấu nhân nha
x:0.25+x:0.5+x+x:0.01=321
X x 4 + X x 2 + X + X x 100 = 321
X x (4 + 2 + 1 + 100) = 321
X x 107 = 321
X = 321 : 107
X = 3
<=>x:(0,25+0,5+0,01)=321
<=>x:0,76=321
<=>x=321x0,76
<=>x=243,96
x : 0.25 + x : 0.5 + x + x : 0.01 = 321
x : 0,25 + x : 0.5 + x + x : 0.01 = 321
x * 4 + x * 2 + x * 1 + x * 100 = 321
x * ( 4 + 2 + 1 + 100 ) = 321
x * 107 = 321
x = 321 : 107
x = 3
tìm x
X:/0.25+x:0.5+x+x:0.01=321
\(x:0,25+x:0,5+x+x:0,01=321\)
\(x\times4+x\times2+x+x\times100=321\)
\(x\times\left(4+2+1+100\right)=321\)
\(x\times107=321\)
\(x=321:107\)
\(x=3\)
tìm x biết x:0.25 + x:0.5 +x+x : 0.01 = 321
( viết lời giải ra cho mình nha )
0,25 + x : 0,5 + x + x : 0,01 = 321
0,25 + x : 1/2 + x + x : 1/100 = 321
0,25 + x * 2 + x + x * 100 = 321
0,25 + x * 103 = 321
x * 103 = 321 - 0,25
x * 103 = 320,75
x = 320,75 : 103
x = 3,11407767
Kết bạn nhé!
x:0,25 + x:0,5 +x + x:0,01=321
x:(0,25+0,5+1+0,01) =321
x:1,76 =321
x =321.1,76
x =564,96
x : 0.25 + x : 0.5 + x + x :0.01 = 214
x:0.25=4x
x:0.5=2x
x:0.01=100x
=>4x+2x+x+100x=214
=>107x=214
=>x=2
x : 0.25 + x : 0.5 + x + x :0.01 = 214
x : ( 0,25 + 0,5 + 0,01 ) = 214
x : 0, 31 = 214
x= 214 x 0,31
x =66,34
<=>x.4+x.2+x+x.100=214
<=>x(4+2+1+100)=214
<=>x.107=214
<=>x=2
vậy x=2
X : 0.25 +X : 0.5 +X +X : 0.01= 963
X x (4 + 2 + 100 + 1) = 963
X x 107 = 963
X = 963 : 107
X = 9
x : ( 0,25 + 0,5 + 1 + 0,01 ) = 963
x : 1,76 = 963
x = 963 . 1,76
x = 1694,88
ta có
x:0,25+x:0.5+x;0.01=963
=>x/4+x/2+x/100=963
=>25x/100+50x/100+x/100=963
=>76x/100=963
=>x=
ban tu tinh nha
x+x:0.25+x:0.5+x:0.01=428
x+x:1/4+x:1/2+x:1/100=428
x+4x+2x+100x=428
107x=428
x=4
tim X biet : 28.75 < X : 0.25 + X : 0.5 < 31.6
\(28,75< x\div0,25+x\div0,5< 31,6\)
\(\Leftrightarrow28,75< \frac{100x}{25}+\frac{10x}{5}< 31,6\)
\(\Leftrightarrow28,75< \frac{4x}{1}+\frac{2x}{1}< 31,6\)
\(\Leftrightarrow28,75< 4x+2x< 31,6\)
\(\Leftrightarrow28,75< 6x< 31,6\)
\(\Leftrightarrow6.4,791\left(6\right)< 6x< 6.5,2\left(6\right)\)
\(\Leftrightarrow4,791\left(6\right)< x< 5,2\left(6\right)\)
\(\Leftrightarrow x=5\)