Trả lời:
100 - 99 = 1
1000 - 999 = 1
Hok tốt!
a)100-99=1
b)1000-999=1
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thay dau dau sao bang nhung chu so thich hop de co phep tinh dung 92 nhan sao sao=sao sao sao
thay day * bang cac chu so thich hop de duoc 1 phep tinh dung
a)***:**=2
b)****:***=2
giup menh voi
dung nam chu so 5 ,dau cac phep tinh va dau ngoac (neu can ),hay viet mot bieu thuc co gia tri bang 6
thay dau * bang nhung chu so thich hop
** +** =*97
moi ve cua phep tinh deu co dau gach tren dau
thay cac chu cai ab vao cac so cho thich hop de lam phep nhan
ab.aba=abab
ai lam nhanh co loi giai hop le minh se tick
thay cac dau * boi cac chu so thich hop de:*1994* chia het cho 99
dung 1 so chu so 1 va dau cac phep tinh ke ca ngoac de viet thanh bieu thuc co gia ti 100. sao cho dung it chu sao 1 nhat
thay chu so va dau * bang cac chu so thich hop
aaa x a =3**a
thay chu a va dau * boi chu so thich hop de aaa x a = ***a
cac chu so o dau * ko nhat thiet phai bang nhau
