x- 4867=[175 x 2 - 50 x 7] :25 +23
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31 tháng 10 2016
X - 4867 = 25112500 : 25 + 23
X - 4867 = 1004500 + 23
X - 4867 = 1004523
X = 1004523 + 4867
X = 1009390
LN
9 tháng 10 2016
420 + 65 . 4 = ( x + 175 ) : 5 + 30
=> ( x + 175 ) : 5 + 30 = 420 + 45 . 4
=> ( x + 175 ) : 5 + 30 = 600
=> ( x + 175 ) : 5 = 600 - 30
=> ( x + 175 ) : 5 = 570
=> x + 175 = 570 . 5
=> x + 175 = 2850
=> x = 2850 - 175
=> x = 2675
nha bn
các câu khác tương tự nhé
nhớ ủng hộ mik nha mn
DD
9 tháng 10 2016
\(\text{Tìm x hở e????}\)
~~~~~~~~~
\(\text{420 + 65 . 4 = ( x + 175 ) : 5 + 30}\)
\(420+260=\left(x+175\right):5+30\)
\(680=\text{ ( x + 175 ) : 5 + 30}\)
\(\text{ ( x + 175 ) : 5 + 30=680}\)
\(\text{ ( x + 175 ) : 5 =680-30}\)
\((x+175):5=650\)
\(x+175=650:5\)
\(x+175=130\)
\(x=130-175\)
\(x=-45\)
\(\text{(32.15) : 2 = (x + 70) : 14 - 40}\)
\(480:2=\text{ (x + 70) : 14 - 40}\)
\(240\text{ = (x + 70) : 14 - 40}\)
\(\text{ (x + 70) : 14 =280}\)
\(x+70=3920\)
\(x=3920-70\)
\(x=3850\)
\(\text{x - 4867 = ( 175 . 2050 . 76) + 25 + 23}\)
\(\text{x - 4867 = ( 175 . 2050 . 76) + 48}\)
\(x-4867=27265000+48\)
\(x-4867=27265048\)
\(x=27265048+4867\)
\(x=27260015\)
\(\text{Hok giỏi nhé!~!!}\)
NH
1
11 tháng 8 2018
\(1) 420+65.4=(x+175):5+30\)
\(\implies 420+260=(x+175):5+30\)
\(\implies 680=(x+175):5+30\)
\(\implies 650=(x+175):5\)
\(\implies 650.5-175=x\)
\(\implies 3075=x\)
\(2)x-4867=(175.2050.70):25+23\)
\(\implies x-4867=1004500+23\)
\(\implies x-4867=1004523\)
\(\implies x=1009390\)
\(3) 134-[(96-7x):4-2]=126\)
\(\implies (96-7x):4-2=8\)
\(\implies(96-7x):4=10\)
\(\implies 96-7x=40\)
\(\implies 7x=56\)
\(\implies x=8\)
\(4) 4-\{100-[(100-5x):8-5]:10\}:25=0\)
\(\implies 4-\{100-[(100-5x):8-5]:10\}=0\)
\(\implies 100-[(100-5x):8-5]:10=4\)
\(\implies 100-[(100-5x):8-5]=40\)
\(\implies (100-5x):8-5=60\)
\(\implies (100-5x):8=65\)
\(\implies 100-5x=520\)
\(\implies 5x=-420\)
\(\implies x=-84\)
~ Hok tốt a~
NH
2
10 tháng 7 2016
x - 4867 = (175 . 2 - 5 . 70): 25 .23
x - 4867 = ( 52.7.2 - 52.7.2) : 25.23
x - 4867 = 0 : 25 . 23 = 0
x = 0 + 4867
x=4867.
24 tháng 9 2021
\(a,\Rightarrow6x+70=130\Rightarrow6x=60\Rightarrow x=10\\ b,\Rightarrow240=\left(x+70\right):14-40\\ \Rightarrow\left(x+70\right):14=280\\ \Rightarrow x+70=3920\Rightarrow x=3850\\ c,\Rightarrow x-15=75\Rightarrow x=90\\ d,\Rightarrow\left(x+175\right):5=680-30=650\\ \Rightarrow x+175=3250\Rightarrow x=3075\\ e,\Rightarrow x-4867=1004523\Rightarrow x=1009390\\ f,\Rightarrow x+32-17=24\Rightarrow x=9\\ g,\Rightarrow3\left(x+1\right)=54\Rightarrow x+1=18\Rightarrow x=17\\ h,\Rightarrow19\left(35:x+3\right)=152\\ \Rightarrow35:x+3=8\Rightarrow35:x=11\Rightarrow x=\dfrac{35}{11}\)
DD
1
DH
10 tháng 7 2017
a, \(420+65:4=\left(x+175\right):5+30\)
\(\Rightarrow\left(x+175\right):5+30=420+16,25\)
\(\Rightarrow\left(x+175\right):5=420+16,25-30=406,25\)
\(\Rightarrow x+175=2031,25\)
\(\Rightarrow x=1856,25\)
b, \(\left(32.15\right):2=\left(x+70\right):14-40\)
\(\Rightarrow\left(x+70\right):14-40=480:2\)
\(\Rightarrow\left(x+70\right):14=240+40=280\)
\(\Rightarrow x+70=3920\Rightarrow x=3850\)
c, \(x-4867=\left(175.2050.70\right):25+23\)
\(\Rightarrow x=39462500:25+23+4867\)
\(\Rightarrow x=1578500+23+4867=1583390\)
Chúc bạn học tốt!!!
x-4867=0:25+23
x-4867=0+23
x-4867=23
x =4867+23
x =4890
x- 4867=[175 x 2 - 50 x 7] :25 +23
x - 4876 = (350 - 350) : 25 + 23
x - 4876 = 0
x = 0 + 4876
x = 4876