Các câu hỏi tương tự
4 - a = 4 + 6 / a -1
biet a+a= 4-a/2
vay a = ?????
tim n biet 1+2+3+4+.....+n=190
me vao cua hang mua 4 hop bang va 5 goi keo het 172000 dong.sau do me lai mua them 4 hopbanh va 8 goi keo nhu vay het 208000 dong.hoi gia tien 1hop banh nhieu hon 1 goi keo la bao nhieu.?biet rang gia tien cua mot hop banh hay mot goi keo trong hai lan mua la nhu nhau
a chia 5 = 4 du 2
vay so a can tim la
a chia 4 = 5 du 2
vay so a can tim la may
\(\dfrac{5}{4}\) x4
biet x;6=23[du4]
biet 91;xdu3
Nam co so bi kem6vien thi tron chuc.Nhu vay so bi cua Nam nhieu hon cua Viet la 5 vien .Hoi Viet co bao nhieu vien bi
8 cong nhan dao duoc 4200 m duong.hoi 5 cong nhan nhu vay dao bao nhieu m duong biet suc dao cua moi cong nhan nhu nhau moi nguoi giup mik voi
biet :
a1c-2b9=546
vay :abc =.......