= - 6684
nha bn
nhớ k cho mih nha
:)
\(5+9-9\cdot753+79=5+9-6777+79=14-6777+79=-6763+79=6684.\)
abcde nhan 9 = edcba
minh khong viet duoc dau nhan len dung chu mong cac ban hieu cho
giai bai toan sau : 1:3x5+89-85/79:1/89x0,879 co ai giai duoc khong nao ?
ai giai duoc bai nay thi giai cho ro nhe dung ghi luon ket qua nhu the thi khong hieu gi ca
khong quy dong mau so tu so hay so sANH CAC PHAN SO SAU
207/209va 209/211
101/100 va 103/101
79/65va 15/17
47/15 va 65/21
ban nao giai ca bai viet ca loi giai ra minh tick nhe
tinh nhanh :
73 x 79 + 79 x30 +79 - 79 x4
minh muon nho cac ban giup do minh bai tap nay
minh khong hieu tai sao nam 1671 lai bang 18 the ki
cho tong n = 10x10x10x10x10 +71 khong thuc hien phep chia cho 9 ,hay giai thich xem tong tren co chia het cho 9 hay khong .neu so hang thu 1 = 1999 thua 10 co chia het cho 9 hay khong ,tai sao giup minh voi
thoi minh phai hoc thoi minh moi hoc nen chua hieu ro lam cac ban nho giup minh nhe neu minh khong lam duoc
1/2 , 1/4,1/8,..........1/32 viet cac phan so vao cho cham
minh khong biet viet so thap phan nen viet the nay cac ban co hieu khong