Co bao nhieu so 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

DQ

Dương Quân Hảo

23 tháng 2 2017 - olm

Co bao nhieu so 1

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#Toán lớp 1

4

VL

Vu Le Anh Thu

23 tháng 2 2017

nhieu qua di

dem ko xue

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HC

Hoàng C5

23 tháng 2 2017

Có 0 số 1 vì số mà bạn cho không bằng 1

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NM

Nguyen Mai Hang

21 tháng 2 2016 - olm

Cho day so tu nhien A duoc tao boi: 1010;1011;........;2014

-Co bao nhieu chu so 0

-Co bao nhieu chu so 1

-Co bao nhieu chu so 2

-Co bao nhieu chu so 5

#Toán lớp 5

0

PN

pham nhu nguyen

20 tháng 7 2019 - olm

tu 1 den 100 co bao nhieu so chia het co 2, co bao nhieu so chia het cho 3, co bao nhieu so chia het cho 5

#Toán lớp 6

2

NT

nguyễn tuấn thảo

20 tháng 7 2019

\(50so⋮2\)

\(33so⋮3\)

\(20so⋮5\)

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H

headsot96

20 tháng 7 2019

Các số chia hết cho 2 từ 1->100 là 2,4,,8,...,100

Số các số chia hết cho 2 từ 1 đến 100 là \(\left(100-2\right):2+1=50\) (số)

Các số chia hết cho 3 từ 1->100 là 3,6,9,...,99

Số các số chia hết cho 3 từ 1 đến 100 là \(\left(99-3\right):3+1=33\)(số)

Các số chia hết cho 5 từ 1->100 5,10,15,20,...,100

Số các số chia hết cho 5 từ 1 đến 100 là \(\left(100-5\right):5+1=20\)(số)

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TG

tran gia thuc

9 tháng 10 2016 - olm

a,co bao nhieu so co 4 chu so deu giang nhau ?

b,co nhieu so co 4 chu so

c,co bao nhieu n chu so (n thuoc n*)

#Toán lớp 6

1

TV

Thái Viết Nam

9 tháng 10 2016

a,9 số

b, 9000 số

c, vô số phần tử

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BN

Bùi Ngọc Tân

1 tháng 3 2016 - olm

hay cho biet co tat ca bao nhieu so co ba chu so ma trong moi so do co nhieu hon mot chu so 8?co tat ca bao nhieu so

#Toán lớp 3

2

TT

tuấn thiên mã bangbang

1 tháng 3 2016

150 số đó

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KC

khong can biet

1 tháng 3 2016

880,881,..889 co 10 so

188,288,...988 co 9 so

818,828,..898 co 10 so

co tat ca la: 10+10+9=29 so

va tru đi 2 so lap lai đi la: 29-2=27 so

ĐS: 27 so

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NT

nguyen thien nham

26 tháng 9 2016 - olm

cho 4 so 0;1;2;3; hoi lap duoc bao nhieu so co 4 chu so khac nhau,bao nhieu so co 3 chu so khac nhau,bao nhieu so co 2 chu so khac nhau

#Toán lớp 6

1

TT

Trần Thị Ngọc Anh

26 tháng 9 2016

có 3 cách chọn chữ số hàng nghìn

có 4 cách chon chữ so hàng trăm

co 3 cach chon chữ so hang chục

có 2 cách chọn chữ số hàng đ vị

có thể lập được :3x4x3x2 =72 số có 4 chữ số khác nhau

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NN

Nguyễn Nhật Huy

11 tháng 11 2016 - olm

co bao nhieu so tu 1,3,5,7, ....,1017. day so ren co bao nhieu so

#Toán lớp 5

1

BD

Băng Dii~

11 tháng 11 2016

Dãy số trên là dãy số lẻ cách đều .

Số số hạng dãy trên có :

( 1017 - 1 ) : 2 + 1 = 509 ( số )

đ/s : 509 số

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LT

lê thị thanh xuân

17 tháng 1 2016 - olm

co so cho bang so ga.Biet so chan cho nhieu hon so chan ga la 10 cai.Hoi co bao nhieu con ca hai loai va co tat ca bao nhieu cai chan?

#Toán lớp 3

1

BH

bui huy cuong

17 tháng 1 2016

10 con ca hai loai.30 chan

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T

TuiLaKaizo

5 tháng 7 2018 - olm

nho giai ra nha

a ) Co bao nhieu so tu nhien chan co 3 chu so khac nhau

b }Co bao nhieu so tu nhien co 3 chu so trong do co chua dung 1 chu so 5

c )Co bao nhieu so tu nhien co 3 chu so trong do chua dung 2 chu so 5

#Toán lớp 6

1

NN

Nguyễn Ngọc Minh

18 tháng 10 2021

a 100, 1000 ,10 000

b 105 ,150, 510

c 2055, 5053 ,5539

Đúng(0)

NV

Nguyễn Văn Thắng Ngố

21 tháng 2 2016 - olm

cho so tu nhien A duoc viet tu 1010,1011,...20,bao nhieu so 214. co bao nhieu so0,bao nhieu so 1 ,bao nhieu so 5,bao nhieu so 2

#Toán lớp 5

0

N

nguyendantam

12 tháng 8 2016 - olm

co bao nhieu so tu nhien co 3 chu so chia het cho 9

co bao nhieu so tu nhien co 3 chu so chia 5 du 1

#Toán lớp 6

10

SK

Sherlockichi Kudoyle

12 tháng 8 2016

Ta có : số có 3 chữ số đầu tiên chia hết cho 9 là: 108

số có 3 chữ số cuối cùng chia hết cho 9 là: 999

Vậy có tất cả số chữ số có 3 chữ số chia hết cho 9 là:

(999 - 108 ) : 9 + 1 = 100(số)

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N

nguyendantam

12 tháng 8 2016

ban ghi day so ra giup minh nha ! lam gium minh cau cuoi nha minh se k cho nhe

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