Các câu hỏi tương tự
Tim x biet : 20 . 2^x + 1 = 10.4^2 + 1
Tim x : ( 4-x:2)^3 - 1 = 2 . (2^3 - 5 : 2^0 )
KA
26 tháng 9 2021 lúc 15:24
B1:Tínha,3.52-16:22b,22.17-23.14c,15.141+59.10d,17.85+15.17-120e,100-[75-(7-2)]2g,(23.94+93.45):(92.10-92)B2:Tìm xa,420+65.4(x+175):3+30b,96-3.(x+1)42c,(x-47)-1150d,(x-36):1812e,2x16B3:Tìm xa,60-3.(x-2)51b,4x-2025:22c,8.6+288:(x-3)250mk đang càn rất gấp
Đọc tiếp
B1:Tính
a,3.52-16:22
b,22.17-23.14
c,15.141+59.10
d,17.85+15.17-120
e,100-[75-(7-2)]2
g,(23.94+93.45):(92.10-92)
B2:Tìm x
a,420+65.4=(x+175):3+30
b,96-3.(x+1)=42
c,(x-47)-115=0
d,(x-36):18=12
e,2x=16
B3:Tìm x
a,60-3.(x-2)=51
b,4x-20=25:22
c,8.6+288:(x-3)2=50
mk đang càn rất gấp
KN
31 tháng 7 2023 lúc 15:46
bài 3: tìm x
a)10+3(x-1)=10+6x
b) (x+1) (x-2)=0
1,tim cac so nguyen x,y biet: -2/x=y/3 va x<0<y
2, Tim cac so nguyen x,y biet:x-3/y-2=3/2 va x-y=4
1.Tim cac chu so x va y de so 1x8y2 chia het cho 36
2.tim cac gia tri nguyen cua n de phan so A=3.n+2/n-1 co gia tri la so nguyen
3.tim cac chu so x y thoa man
(x-2)^2.(x-3)^2=4
4.tim so tu nhien x biet
(x-5):3/100=20.x/100 +5
1 tìm x
a x.3+7=16
b x-152:2+46
c 74-2.(x+3)=34
giúp mik vs ạ
A = 2/ x-1 .tim dieu kien cua x de A la phan so . tim A khi x = 2 ; x = -3. tim dieu kien cua x de A la so nguyen ( A thuoc Z )
tìm x
a)\(\left(x-\dfrac{1}{7}\right)^4=\left(x-\dfrac{1}{7}\right)^2\)
b)\(3^{x+2}+3^x=7290\)
tìm x
a)\(\left(x-\dfrac{1}{7}\right)^4=\left(x-\dfrac{1}{7}\right)^2\)
b)\(3^{x+2}+3^x=7290\)