Các câu hỏi tương tự
Bai 78:Khi noi den ti vi loai 21 in-so,ta hieu rang duong cheo man hinh cua chiec ti vi nay dai 21 in-so (in-so (inch) ki hieu "in" la don vi do chieu cao theo he thong Anh,Mi,1in=2,54cm).Vay duong cheo man hinh cua chiec ti vi nay dai khoang bao nhieu cm ?
Khi noi den vang ba so 9 ( 999 ) ta hieu rang : Trong 1000g " vang" nay chua toi 999g vang nguyen chat vay ban hieu the nao la vang bon so 9 ( 9999 )
{a} ;[a] la cac ki hieu gi va muon tinh thi phai tinh nhu the nao? cho xin vi du nha mn oi........
nhanh nhanh mk tick cho
KI HIEU [X] la so nguyen ko dc vuot qua x. khi do [-12/5]+[5/6]+[-9/4]=
trong mot phep tru co 4 chu so tru di 371 . Bạn an da viet nham so tru :so 1 thanh so 4 va 7 thanh 1.Vì vay ban tinh duoc hieu la5555.
a, viet nham nhu vay thi so tru giam di bao nhieu
b,dap so dungva so bi tru la bao nhieu
ham so la gi ? sao kho hieu zo ? giai thich cho mk de hieu nha dat ca vd nua
ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
minh can gap dang thi cap truong
ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
minh can gap dang thi cap truong