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Ta có:460+850x4=a+200/4
=>800=a+200/4
=>800x4=a+200
=>3200=a+200
=>a=3200-200=3000
ủng hộ nhak
460+85x4=(X+200):4
460+340=(X+200):4
800 =(X+200):4
X+200=800x4
X+200= 3200
X = 3200-200
X = 3000.
K nhé Nguyễn Phương Chi.
3636 : (12x - 91) = 36
12x - 91 = 3636 : 36
12x - 91 = 101
12x = 101 + 91
12x = 192
x = 192 : 12
x = 16
Ủng hộ mk nha ☆_★^_-
3636:(12x-91) = 36
=> 12x - 91 = 3636 : 36
=> 12x - 91 = 101
=> 12x = 101 + 91
=> 12x = 192
=> x = 192 : 12
=> x = 96
Vậy x = 96
Câu 1:71+(26-3x):5=75
=>(26-3x):5=75-71
=>26-3x=4*5
=>3x=26-20
=>x=6:3
=>x=2
Câu 2:3636:(12x-91)=36
=>12x-91=3636:36
=>12x=101+91
=>x=192:12
=>x=16
Câu 1 :\(71+\left(26-3xX\right):5=75\)
\(\left(26-3xX\right):5=75-71\)
\(\left(26-3xX\right):5=4\)
\(26-3xX=4x5\)
\(26-3xX=20\)
\(3xX=26-20\)
\(3xX=6\)
\(X=6:3\)
\(X=2\)
Câu 2 : \(3636:\left(12xX-91\right)=36\)
\(12xX-91=101\)
\(12xX=101+91\)
\(12xX=192\)
\(X=192:12\)
\(X=16\)
\(460+85x4=\left(y+200\right):4\)
\(460+340=\left(y+200\right):4\)
\(800=\left(y+200\right):4\)
\(y+200=800x4\)
\(y+200=3200\)
\(y=3200-200\)
\(y=3000\)
460 + 85 × 4 = y + 200/4
460 + 340 = y + 50
y + 50 = 800
y = 800 - 50
y = 750
93 + 7 : x = 112
7 : x = 112 - 93
7 : x = 19
x = 7 : 19
x = 7/19
84 : x - 6 = 15
84 : x = 16 + 5
84 : x = 21
x = 84 : 21
x = 4
a. x - 4300 - (5250 : 1050 : 250) =4240
x - 4300 - (5 : 250) =4240
x - 4300 - 0,02 =4240
x - 4300 = 4240 + 0,02
x - 4300 =4240,02
x=4240,02+4300
x=854,02
b. 460 + 85 .4 : (x + 200) =4
a. x - 4300 - (5250 : 1050 : 250) = 4240
=> x - 4300 - 1/50 = 4240
x - 4300 = 4240 + 1/50
lk ùi ko lm nữa !! =="
Ta có 460+850x4 = a+200/4
=> 800=a+200/4
=> 800x4=a+200
=> 3200=a+200
=>a=3200-200=3000
3636 : ( 12x - 91 ) = 36
12x - 91 = 3636 :36
12x - 91 = 101
12x = 101 + 91
12x = 192
x = 192 : 12
x = 16
vậy x = 16
460 + 85 . 4 = ( x + 200 ) : 4
460 + 340 = ( x + 200 ) : 4
800 = ( x + 200 ) : 4
( x + 200 ) : 4 = 800
x + 200 = 800 . 4
x + 200 = 3200
x = 3200 - 200
x = 3000
vậy x = 3000
k mk nha bạn
thanks nhìu ^,^
\(3636:\left(12x-91\right)=36\)
\(\Rightarrow12x-91=3636:36\)
\(\Rightarrow12x-91=101\)
\(\Rightarrow12x=101+91\)
\(\Rightarrow12x=192\)
\(\Rightarrow x=16\)
\(460+85\cdot4=\left(x+200\right):4\)
\(\Rightarrow460+340=\left(x+200\right):4\)
\(\Rightarrow800=\left(x+200\right):4\)
\(\Rightarrow x+200=800\cdot4\)
\(\Rightarrow x+200=3200\)
\(\Rightarrow x=3200-200\)
\(\Rightarrow x=3000\)