Các câu hỏi tương tự
tim x biet :
a) 450 - 5 x X = 75
b) ( 450 - 5 x X ) x 15 = 75
c) ( 450 - x ) : 15 = 150
giup mik nhanh nha
Bài 4:tìm x
a.7x-x=5^21:5^19+3.2^2.7
b.11x-7x+3^4:3^3=5^4+2x
c.75-5.(x-3)^3=700
d.3.(2x-1)^2=75
e.3^x+3^x+2=270
f.3^x-3-3^2=2.3^2
Cảm ơn các bản !
tìm x biết:d)26-(x-5)=32
e)5./5/=75
f)(-3)./x+1/=-9
Bài 1: Tính nhanh (nếu có thể)
a) 25,97 + 6,54 + 103,46
b) 136 × 75 + 75 × 64
c) (21/8 + 1/2) : 5/16
d) 3/17 - 4/5 + 14/17 - 1/5.
Bài 2: Tìm x
a) 720 : [41 - (2X - 5)] = 120
b) 2/3 × X + 3/4 = 3
c) X + 0,34 = 1,19 × 1,02
Xem chi tiết
5(x+19)+75=5^2 .3^2
a (2+x):5=6
b 2+x:5=6
c 2x-3=11
d 3.(x-18)+75=0
tìm x:
a) 1/2.x+3/5.(x-2)= 3
b)1/3.x-0,5.x= 0,75
c)3/-2.x-0,5.x=75%
d)-2/5.x+1/4=75%-3/4.x
\(\dfrac{1}{5}\).\(\left(x+\dfrac{1}{5}\right)\)\(+\)\(\dfrac{2}{5}\)\(\left(x+\dfrac{5}{3}\right)\)\(=\)\(\dfrac{98}{75}\)
help me please :D
(26 - 3 x ): 5 +71=75
5x+1 =125