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460 + 85 x 4 = ( x + 200 ) x 4
460 + 340 = ( x + 200 ) x 4
800 = ( x + 200 ) x 4
800 = x + ( 200 x 4 )
800 = x + 800
x = 800 - 800
x = 0
Không viết lại đề nha!
460 + 340 = (x + 200) : 4
800 = (x + 200) : 4
x + 200 = 800 : 4 = 200
x = 200 - 200 = 0
Hội con 🐄 chúc bạn học tốt!!!
460 + 85 x 4 = ( x + 200 ) : 4
460 + 240 = ( x + 200 ) : 4
700 = ( x + 200 ) : 4
x + 200 : 4 = 700
x + 200 = 700 x 4
x + 200 = 2800
x = 2800 - 200
x = 2600
\(460+85.5=\left(x+200\right):4\)
\(\Rightarrow460+425=\left(x+200\right):4\)
\(\Rightarrow885=\left(x+200\right):4\)
\(\Rightarrow x+200=885.4\)
\(\Rightarrow x+200=3540\)
\(\Rightarrow x=3540-200\)
\(\Rightarrow x=3340\)
Vậy \(x=3340\)
Chúc bạn học tốt !!!
1)[x-128+20] :192=0
x-128+20 = 192
x-128 = 192-20
x-128 = 172
x = 172+128
x = 300
2) bạn nhớ check lại câu này giùm Nhi nha!
3) 460+85.4 = [ x+200] .4
460+ 340 = 4x+ 800
4x+800 = 800
4x = 800-800
4x = 0
x = 0:4
x = 0
a) => 14 - x + 100 = 101
=> 14 - x = 1
=> x = 13
b) => 5x + (1 + 2 + 3 + 4 + 5) = 355
=> 5x + 15 = 355
=> 5x = 340
=> x = 68
\(b.\left(x+1\right)+\left(x+2\right)+\left(x+3\right)+\left(x+4\right)+\left(x+5\right)=355\)
\(\left(x.5\right)+\left(1+2+3+4+5\right)=355\)
\(\left(x.5\right)+15=355\)
\(x.5=355-15\)
\(x.5=340\)
\(x=340:5\)
\(x=68\)
1)\(\left(x-280\right):35=56.5\)
\(\left(x-280\right):35=280\)
\(x-280=280.35\)
\(x-280=9800\)
\(x=9800+280\)
\(x=10080\)
2) \(\left(x-128+20\right):192=0\)
\(\Rightarrow\left(x-148\right):192=0\)
\(\Rightarrow x-148=0\)
\(\Rightarrow x=0+148\)
\(\Rightarrow x=148\)
3) \(460+85.4=\left(x+200\right).4\)
\(\Rightarrow\left(x+200\right).4=460+340\)
\(\Rightarrow\left(x+200\right).4=800\)
\(\Rightarrow x+200=800:4=200\)
\(\Rightarrow x+200=200\)
\(\Rightarrow x=200-200=0\)
4) \(x+5.2-\left(32+16.3:16-15\right)=0\)
\(\Rightarrow x+10-\left(32+3-15\right)=0\)
\(\Rightarrow x+10-20=0\)
\(\Rightarrow x+10=20\)
\(\Rightarrow x=20-10=10\)
nha m.n
a) 460 + 85.4 = ( x + 200 ) : 4
=> x = 3000
b) => x = 2595
c) => x = 50
d) => x = 40
a)460 +85 . 4 = (x+200) :4 b)x:15+42=15+25.8
suy ra : 460+340=(x+200):4 suy ra: x:15+42=15+200
suy ra: 800= (x+200):4 suy ra : x:15+42=215
suy ra : 800.4=x+200 suy ra: x:15=215-42
suy ra : 3200=x+200 suy ra : x:15=173
suy ra: x= 3200-200 suy ra : x=173.15
suy ra : x=3000 vậy x =3000 suy ra: x=2595 vậy x = 2595
c) x-32:16=48 d)x-6:2-(48-24.2:6-3)=0
suy ra :x-2=48 suy ra : x-6:2-(48-48:6-3)=0
suy ra :x=48+2 suy ra : x-6:2-(48-8-3)=0
suy ra : x=50 suy ra : x-6:2-(40-3)=0
vậy x=50 suy ra : x-6:2 - 37=0
suy ra : x-3-37=0
suy ra : x-3=0+37
suy ra : x-3=37
suy ra : x=37+3
suy ra :x=40 vậy x= 40
a, 460 + 85 . 4 = ( x + 200 ) : 4
460 + 340 = ( x + 200 ) : 4
( x + 200 ) : 4 = 800
x + 200 = 800 . 4 = 3200
x = 3200 - 200
x = 3000
a.460+340=(x-200)x4
800=(x-200)x4
800:4=x-200
200=x-200
x=200+200
x=400
b.x=53