Tong cua hai so 180 thuong cua phep chia lon cho so be bang 5 TIch so ay la
Tong cua 2 so bang 180. thuong cua phep chia so lon cho so be bang 5. tìm 2 số đó.
tong cua hai so bang 180 ,thuong cua hai so bang 5 ,tich cua hai so la...
Cho hai so tu nhien biet tong cua chung bang 3 lan hieu cua so lon tru so be va bang mot nua tich cua chung . Số lớn gấp số bé .... lần
1. mot phep chia co tong cua so bi chia va so chia bang 72. biet rang thuong la 3 va so du la 8. tim so bi chia va so chia
2. TIm hai so tu nhioen .biet rang tich cua chung la 630 va neu them 4 don vi va mot thua so thi tich moi la 798
tim so chia cua mot phep chia , biet rang : so bi chia 410, so du bang 19
a) tim mot so co hai chu so va neu lay so do chia cho chu so hang don vi thi duoc thuong la 8 va du 7
b) tong cua hai so bang 196 . tim hai so do
c)tim so co 3 chu so , biet rang neu viet them mot chu so 3 vao ben phai so do thi no tang them 2217 don vi
bai 1
a,trong phep chia cho 2 co so du co the bang 0 hoac bang 1 .trong moi phep chia cho 3,cho 4,cho 5,so du co the bang bao nhieu ?
b,dang tong quat cua so chia het cho 2 la 2k ,dang tong quat cua so chia cho 2 du 1 la 2k +1 voi k e N .hay viet dang tong quat cua so chia het cho 3 , so chia cho 3 du 1 ,so chia cho 3 du 2.
giup minh nha!^-^
tong hai so bang 112 so lon bang 4/3 so be tim hai so do
tong cua 2 so la 72 neu so lon la 34 so be bang 2 lan so lon tim so be