a. ab (a \(\ne0;a,b\in N\))
b. abc ( \(a\ne0;a,b,c\in N\))
c ?
a. ab (a \(\ne0;a,b\in N\))
b. abc ( \(a\ne0;a,b,c\in N\))
c ?
Viet dang tong quat cua mot so tu nhien
a) Co hai chu so
Viet dang tong quat mot so tu nhien:
a) co hai chu so
b) co ba chu so
c) co bon chu so,trong do hai chu so dau giong nhau ,hai chu so cuoi giong nhau
Viet dang tong quat cua so tu nhien co 5 chu so dau giong nhau, 3 chu so cuoi giong nhau.
1.a Hay viet tap hop A cac so tu nhien ko vuot qua 10 bang 2 cach,bieu dien tren tia so cac phan tu cua tap hop A
b Xac dinh tap hop B cac diem bieu dien cac so tu nhien o ben phai diem 3 va ben trai diem 10 tren tia so.
2.a Dung 3 chu so 4,5,7 viet tat ca cac so tu nhien co 2 chu so moi moi chu so chi dc viet mot lan.
b Dung 3 chu so 6,3,0 viet tat ca cac so co 3 chu so , moi chu so chi duoc viet mot lan.
c Dung 4 chu so 1,5,4,8 lap duoc bao nhieu so tu nhien co 4 chu so khac nhau
6.a Tim 3 so tu nhien lien tiep co tong bang 48.
b Tim 4 so tu nhien chan lien tiep co tong bang 60
7.a Tim mot so tu nhien co chu so tan cung bang 2. Biet rang neu xoa chu so hang don vi cua no thi so moi giam di 1811 don vi
b Tim mot so tu nhien co 3 chu so biet rangneu viet them chu so 3 vao tan cung ben trai ta duoic so bang 26 lan so da cho
8.a Mot cuon sach co 147 trang duoc danh so tu 1. Hoi phai dung bao nhieu chu so da danh trong cuon sach.
b Nguoi ta dung 2016 chu so de danh so trang mot cuon sach hoi cuon sach do co bao nhieu trang
Chu so thu 1000 o trang nao va la chu so gi ?
HOI DAIIIIII NHUNG CAC BAN THONG MINH GIUP MINH NHA DAU DAU WA
CAC BAN HAY PHAN BIET RO CHU SO & SO GIUM MINH NHA
THANK YOU NHIEU
Viet dang tong quat cua mot so tu nhien a) co 2 chu so b)co 3 chu so c)co 4 chu so , trong do hai chu so dau giong nhau , hai chu so cuoi giong nhau
tim mot so tu nhien co 3 chu so ,biet neu viet them chu so 8 vao dang truoc dang sau so do thi ta duoc 2 so co 4 chu so nhung so viet dang truoc lon hon so dang sau 5778 don vi
tim so tu nhien co bon chu so biet rang so do co the phan tich thamh tich cua hai thua so co tong bang 100 va mot trong hai thua so ay co dang a^a
tim so tu nhien x, biet
a) 2436 : x= 12
b) 6. x - 5 = 613
c) 12. ( x - 1) =0
d) 0 : x = 0
63.
a) tron g phep chia mot so tu nhien cho 6,so du co the bang bao nhieu?
b) viet dang tong quat cua so tu nhien chia het cho 4, cho 4 du 1.
tim mot so tu nhien co 3 chu so biet rang neu viet them chu so 2 vao dang truoc thi duoc so lon hon so do 323 don vi khi viet them chu so 3 vao dang sau so do