-15+8-25+32=8+32-15-25=(8+32)-(15+25)=40-40=0
-15+8-25+32=8+32-15-25=(8+32)-(15+25)=40-40=0
Hay viet tong dai so -15+8-25+32 thanh mot day nhung phep cong
hãy viet tổng đại số -15+8-25+32thành một dãy nhung phép cong
pho hang ngang la 1 trong nhung day pho co Ha Noi,cac nha khoa hoc danh so lien tuc day so le la1,3,5,... toi 61,day so chan2,4,6,...toi 64
a,ben so nha chan trong 1 vuong goc nho chu tich ho chi minh da gui ban tuyen ngon doc lap khai sinh nuoc viet nam dan chu cong hoa ngoi nha co can phong la so 24 de tu dau voi so 2.hoi ngoi nha nay co so nao
b,ben so nha le chu so nao chua duoc dung,chu so nao duoc dung nhieu nhat
c, phai dung tat ca bao nhieu chu so de biet so nha cua day pho nay
day la chuyen muc giai toan nhung cac cau giup to giai bai van nay vs nhe cam on cac nhiu
tu cac so sau 0,1,2,3,4,5,6,7.
hay viet mot doan van tu cac so tren
ai giai minh tik cho
tim so co hai chu so biet :
so can tim cong voi so do nhung viet theo thu tu nguoc lai ta duoc mot so chinh phuong
Viet lien tiep cac so tu nhien le thanh day 13579111315.....
a) Chu so thu 100 cua day la chu so nao ?
b) Chu so 1 cua so 2013 la chu so thu bao nhieu cua day ?
Ghi ro day du cach lam to cho 1 tich nhung phai that nhanh len
hay viet nhung so nguyen to be hon 100
Cau My Thuan la cay cau treo hien dai dau tien cua nuoc ta voi chieu dai 1535m bac ngang song Tien ,1 trong nhung con so rong nhat Viet Nam .Neu ve tren ban do ti le xich 1 : 20000 thi cay cau nay dai bao nhieu cm?
bai 1:
1 hay viet lien tiep 20 chu
so 5 thanh hang ngang roi dat dau cong vao giua cacso do de tong la 1000
2. viet lien tiep 8 chu so 8 thanh hang ngang dat dau cong vao giua cac so do de tong la 1000
bai 2:
chia cac
so tu nhien tu 1 den 100 thanh 2 lop : lop chan va lop le. hoi lop nao co tong cac chu so lon hon va lon hon bao nhieu