2480-4710:3+[200-(x-5)]=1010
2480 -4710 : 3 + [ 200 - ( x -5 ) ] = 1010
2480 -4710 : 3 + [ 200 - ( x -5 ) ] = 1010
=> 2480-1570+[200-x+5]=1010
=> 910+200-x+5=1010
=> 1110-x+5=1010
=> 1115-x=1010
=> x=1115-1010
=> x=105
2480 - 4710 : 3 + [ 200 - ( x - 5 ) ] = 1010
2480 - 1570 + [ 200 - ( x - 5 ) ] = 1010
910 + [ 200 - ( x - 5 ) ] = 1010
[ 200 - ( x - 5 ) ] = 1010 - 910
[ 200 - ( x - 5 ) ] = 100
( x - 5 ) = 200 - 100
( x - 5 ) = 100
x = 100 + 5
=> x = 105
Bai 1; 2480- 4710:3 +[200- ( x-5)] =1010
Tìm x:
2480 - 4710 : 3 + [ 200 - ( 15x - 5 ) ] = 1010.
Tìm x:
2480 - 4710 : 3 + [ 200 - ( 15x - 5 ) ] = 1010.
=> 2480-1570+[200-(15x-5)]=1010
=> 910+[200-(15x-5)]=1010
=> 200-(15x-5)=1010-910
=> 15x-5=200-100
=> 15x=100+5
=> x=105:15
=> x=7
2480 - 4710 : 3 + [ 200 - ( 15x - 5) ] = 1010
4710:3+[200-(15x-5)]=2480-1010
4710:3+[200-[15x-5]]=1470
1570+[200-[15x-5]]=1470
200-[15x-5]=1470-1570
200-[15x-5]=-100
15x-5=200+100
15x-5=300
15x=300-5
15x=295
x=295:15
Tìm x
2480 - 4710 : 3 = [200 -( x -5)]= 1010
{[(2.x +14) : 22 - 3 ] : 2 } -1=0
2480-4710:3+ơ200-(x-5)ư=1010
tìm x, biết
a) 2480 - 4710 : 3 + [ 200 - ( x - 5 ) ] = 1010
b) 0,5x . \(\left(\dfrac{8}{5}:1\dfrac{1}{2}+\dfrac{1}{60}\right)=\dfrac{7}{60}.\left(2,91+0,09\right).4\)
a: =>2480-1570+(205-x)=1010
=>205-x=100
hay x=105
b: \(\Leftrightarrow x\cdot\dfrac{1}{2}\cdot\dfrac{13}{12}=\dfrac{7}{60}\cdot3\cdot4=\dfrac{7}{5}\)
=>x=168/65
2 . tìm x , biết :
a ( 72000 + 18000) - ( 3x + 3000) =12000
b, [ 3 . ( x+2 ) : 7 ] : 4 = 120
c. 4 . ( x - 1) + [ ( 4750 - 2160 ) - ( 1750 - 1160 )] = 3000
d. 2480 - 4710 : 3 + [ 200 - ( x - 5 ) ] = 1010
dấu chấm là dấu nhân nhé
a,(72000+18000)-(3x+3000)=12000
90000-(3x+3000)=12000
3x+3000=90000-12000
3x+3000=78000
3x=78000-3000
3x=75000
x=75000:3
x=25000
b,[3.(x+2):7]:4=120
3.(x+2):7=120:4
3.(x+2):7=30
3.(x+2)=30.7
3.(x+2)=210
x+2=210:3
x+2=70
x=70-2
x=68
c,4.(x-1)+[(4750-2160)-(1750-1160)=3000
4. x-1+(2590-590)=3000
4. x-1+2000=3000
4.x-1=3000-2000
4.x-1=1000
4.x=1000+1
4.x=1001
x=1001:4
x=250,25
phương ơi cậu có chép sai đề ko
Tìm x thuộc N biết :
a. ( 3x +5 ) + 105 = 200
b. ( x - 4 ) . ( 3x - 15 ) = 0
c. ( 72000 + 18000 ) - ( 3x + 3000 ) = 12000
d. [ 3 . ( 2 + x ) : 7 ] . 4 = 120
e. 2480 - 4710 : 3 + [ 200 - ( x - 5 ) ] = 1010
mọi người giúp mik nha
\(a,\left(3x+5\right)+105=200\)
\(3x+5=95\)
\(3x=90\)
\(x=90:3\)
\(x=30\)
\(b,\left(x-4\right).\left(3x-15\right)=0\)
\(\Rightarrow\orbr{\begin{cases}x-4=0\\3x-15=0\end{cases}}\Rightarrow\orbr{\begin{cases}x=4\\x=5\end{cases}}\)
\(c,\left(72000+18000\right)-\left(3x+3000\right)=1200\)
\(90000-\left(3x+3000\right)=1200\)
\(3x+3000=88800\)
\(3x=85800\)
\(x=28600\)
\(d,\left[3.\left(2+x\right):7\right].4=120\)
\(3.\left(2+x\right):7=30\)
\(3.\left(2+x\right)=210\)
\(2+x=70\)
\(x=68\)
\(e,2480-4710:3+\left[200-\left(x-5\right)\right]=1010\)
\(2480-1570+\left(200-x+5\right)=1010\)
\(910+\left(205-x\right)=1010\)
\(205-x=100\)
\(x=105\)
A=30
C=29600
CHỈ BIẾT TỪNG ĐÓ THÔI
THÔNG CẢM NHA !
a,[3.(x+2):7]:4=120
b,4(x-1+[4750-2160)-(1750-1160)]=3000
c,2480-4710:3+[200-(x-5)]=1010
d,{[(2x+14):22-3]:2}-1=0
nhanh hộ mình với mình sắp đi học rồi.Ai trả lời đc mình cho 1 k nhanh nhanh lên nha, nguy cấp rồi đó