Các câu hỏi tương tự
tim x thuoc N biet
a, 125.n=5^7
b, 2^3.n-3^4=2^5-5
c, (2^3+2) n+3^2.n.5-10=10^2
d, 5^n.5=125
e, 9 be hon hoac bang 3^n<90
f, (3n+1)^3=64
tim x thuoc N biet
a, 125.n=5^7
b, 2^3.n-3^4=2^5-5
c, (2^3+2) n+3^2.n.5-10=10^2
d, 5^n.5=125
e, 9 be hon hoac bang 3^n<90
f, (3n+1)^3=64
tim so tu nhien n biet rang:
411.2511 lon hon hoac bang 2n.5n lon hon hoac bang 2012.512
Tim so tu nhien n biet rang 450 chia het cho n va 10 be hon hoac bang n be hon 20
Tim x € n thoa manA)6 chia het cho (x-1)B)14 chia het cho (2×X+3)C)X+1 la uoc (15D)X chia het cho 13 va 10 be hon hoac bang X be hon hoac bang 70E)X € B(15)va 20 be hon hoac bang X be hon hoac bang 80F ) X € uoc (42); X lon hon 5G)35 chia het cho X va X be hon 10Mik kO biet viet ki hieu 😀😀😀 thong cam nhaAi dug thi thong minh 🎓🎓🎓mik se kban va tick 🐇🐇
Đọc tiếp
Tim x € n thoa man
A)6 chia het cho (x-1)
B)14 chia het cho (2×X+3)
C)X+1 la uoc (15
D)X chia het cho 13 va 10 be hon hoac bang X be hon hoac bang 70
E)X € B(15)va 20 be hon hoac bang X be hon hoac bang 80
F ) X € uoc (42); X lon hon 5
G)35 chia het cho X va X be hon 10
Mik kO biet viet ki hieu 😀😀😀 thong cam nha
Ai dug thi thong minh 🎓🎓🎓
mik se kban va tick 🐇🐇
a, tim cac so nguyen n biet -3 nho hon hoac bang n va nho hon 5.
b, tinh tong cac so nguyen tim duoc o cau a.
tim n thuoc N
,25 be hun hoac bang 5n be hun hoac bang 125
tim n thuocN
a)27.3n=243
b)9<3n<81
c)25\<5n\<125
\<: lon hon hoac bang
a)
tinh (-10)+12+(-14)+16+(-18)+20+(-24)+26+(-2015)+2017
b) tinh
455+(-311)+3789+(-144)
c) tim tong cac so nguyen x biet
a) -4 <x be hon hoac bang 4
b) -7 < hoac bang x < hoac bang 8
c) -9 < x < hoac bang 5