Tìm x :
a) x : 0,125 - x = 45 b) x : 0,2 + x nhân 5 - x : 0,25 = 54 ,75
ac lm giúp e với ạ
E = 19,8 : 0,2 x 44,44 x 2 x 13,20 : 0,25 / 3,3 x 88,88 : 0,5 x 6,6 : 0,125 x 5
A = 9,6 : 0,2 x 15,4 x 2 x 15,4 : 0,25
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30,8 : 0,5 x 7,7 : 0,125 x 5 x 6
Tìm x: X : 0,2 + X x 4= 36
X : 0,25 - X x 3=18
Giúp mình với ạ
a.X x 5 + X x4 = 36
X (5+4) = 36
X = 4
b. X x 4 - X x3 = 18
X (4-3) = 18
X = 18
X :0,2 + x X 4=36
X :2/10+x x 4=36
x x10/2+x x 4 =36
x x5 + x x4 =36
x x (4+5)=36
x x 9 =36
x=36:9
x=4
x :0.25 - x x 3 =18
x:25/100- x x 3=18
x x100/25- x x 3=18
x x 4- x x 3 =18
x x(4-3)=18
x x 1=18
x=18:1
x=18
a x 0,1 = a :..
a : 0,01 = a x...
a x 1000 = a :...
a : 1000 = a x....
X : 0,2 = x x ...
X : 0,25 = x x ....
X : 0,125 = x x ....
X : 0,5 = x x ...
giúp mình zới
a x 0,1 = a : \(\dfrac{1}{10}\)
a : 0,01 = a x \(\dfrac{1}{100}\)
a x 1000 = a : 0,001
a : 1000 = a x \(\dfrac{1}{1000}\)
\(x\) : 0,2 = \(x\) x \(\dfrac{1}{5}\)
\(x\) : 0,25 = \(x\) x \(\dfrac{1}{4}\)
\(x\) : 0,125 = \(x\) x \(\dfrac{1}{8}\)
\(x\) : 0,5 = \(x\) x \(\dfrac{1}{2}\)
Tìm x
x+x:0,5+x:0,25+x:0,125=75
\(x+x:0,5+x:0,25+x:0,125=75\)
\(x+x\cdot2+x\cdot4+x\cdot8=75\)
\(x\cdot\left(1+2+4+8\right)=75\)
\(x\cdot15=75\\ x=75:15\\ x=5\)
Bài 1 : a) x nhân 5 = 2 - 0,85
b) x - 5/6 : 1 1/6 = 0,125
c) 3/5 - 1/4 : x = 25/100
d) 23/45 x 15/16 x 32/23 + 0,3 nhân x
= 52/5 x 2/27 x 5/13
Mong m.n giúp e nhé !!!
a) x : 0,5 + x : 0,2 + x : 0,25 + x : 0,125 + x = 38
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b) (x + 2) + (x + 4) +….(x +18) + (x + 20) = 135
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X : 0,125 + x : 0,01 + x : 0,2 + x : 0,25 = 68 : 2 + 2,5 × 80
giúp mình với , mình cần giải gấp
X x 8 + X x 100 + X x 5 + X x 4 = 34 + 200
X x ( 8 + 100 + 5 + 4 ) = 234
X x 117 = 234 : 117
X = 2
học tốt
x:0,125+x:0,01+x:0,2+x:0,25=34+200
x:0,125+x:0.01+x:0.2+x:0.25=234
x*8+x*100+x*5+x*4 =234
x*(8+100+5+4) =234
x*117 =234
x =234:117
x =2
k cho mk nha!
Giúp mình với nha . Tìm x :
X + x / 0,25 + x /0,25+ x/ 0,125 =16,5