Giai thich vi sao : (-1)^3=-1. Co con so nguyen nao khac ma lap phuong cua no cung bang chinh no ???
giai thich vi sao :(-1)^3=-1.co con so nguyen nao khac ma lap phuong cua no bang chinh no???
giai thich vi sao (-1)3=-1 .co con so nguyen nao khac ma binh phuong cua no cung bang chinh no
Tim so nguyen duong nho nhat thoa man:mot phan 2 cua no la so ching phuong,1/3 cua no bang lap phuong cua 1 so nguyen,1/5 cua no bang luy thua bac 5 cua 1 so nguyen.
giup minh voi
cho 1 so tu nhien co 2 chu so . Biet rang tong cac so tu nhien lien tiep bat dau tu den so nay la 1 so ma 2 chu so tan cung cua no bang chinh so so co 2 chu so ban dau . tim so ban dau
trinh bay cach giai nhu the nao day cac ban giup minh voi
Co so chinh phuong nao co tong cac chu so cua no bang 23456 khong ?
1. Tim tat ca cac so co 2 chu so sao cho moi so gap 2 lan tich cua no?
2. Tim so nguyen to co 3 chu so biet rang neu viet so do theo thu tu nguoc lai thi ta duc 1 so la lap phuong cua 1 so tu nhien?
3. Tim so tu nhien co 4 chu so biey chu so hang nghin bang chu so hang don vi chu so hang tram bang chu so hang chuc va so do viet duoc duoi dang tich cua 3 so nguyen to lien tiep?
neu co ba o vuong, o thu 1 co 3 so nhu sau: 2, -1, -3. O thu 2 co 3 so: 5, -4, 3, va o cuoi cung cung co 3 so: -5, 6, 9. Vay nguoi ta hoi lam the nao de cho tong cua ba hop duoc bang nhau, nhung cac ban chi duoc di chuyen mot so cua o nay qua o khac thoi nhe, nho day. Ban nao tra loi duoc cho mik ket ban nhe!
tim so nguyen to ab co 2 chu so khac nhau sao cho ba cung la 1 so nguyen to va ab - ba la 1 so chinh phuong