Các câu hỏi tương tự
giup minh
tim trung binh cong cua 3 so bang so lon nhat co hai chu so,biet so thu nhat bang so thu hai va bang 78, tim so thu ba
Tong ba so la 2068. Biet so thu hai lon hon tong cua so thu nhat va so thu ba la 124, so thu ba cong them 502 don vi thi bang so thu nhat. Tim ba so do
trung binh cong cua 3 so la 90 . Tim moi so ,biet 1/2 so thu nhat bang 1/3 so thu 2 , so thu ba gap hai lan so thu nhat
so thu nhat va so thu hai co tong la 122.so thu ba bang 53 va do thu tu hon trung binh cong cua ca 4 so la 26.tim so thu tu. tra loi nhanh cho minh nha.
cho ba so biet trung binh cong cua so thu nhat va so thu hai bang 239 trung binh cong cua so thu 2 va so thu 3 la 248 trung binh cong cua so thu ba va so thu nhat la 295.tim so thu ba
so trung binh cong cua 3 so bang 21.biet so be nhat bang nua so thu 2 va so thu ba gap hai lan so thu 2.tim ba o do
TRUNG BINH CONG CUA 2 SO LA 123 . SO THU NHAT LA SO BE NHAT CO BA CHU SO . TIM SO THU HAI
TRUNG BINH CONG CUA HAI CHU SO LA 135 . TIM HAI SO DO, BIET RANG SO THU NHAT GAP 4 LAN SO THU HAI
GIUP MIK NHA , MOI NGUOI
1) Tich cua 2 so la 1400.Neu bot so thu nhat 5 don vi thi tich cua 2 so la 1200.Tim 2 so do .
2) So A chia cho 93 du 39,hoi A phai thay doi the nao de phep chia la phep chia het va thuong giam 2 don vi .
3) Tim 3 so co trung binh cong la 600 biet rang so thu ba gap 18 lan so thu nhat.Neu viet so thu nhat vao ben phai hay ben trai chinh no thi ta duoc so thu hai.
trung binh cong cua 3 so la 650. biet so thu nhat bang so lon nhat co 3 chu so so thu hai bang so thu nhat .tim so thu 3