tinh tong cac so nghich dao cua cac so sau: 2;6;12;20;30;42;56;72;90;110
Cho 2 phan so co tong bang -3 va tich bang 12/5. Tinh tong cac so nghich dao cua 2 phan so do
cho 2 phan so co tong bang 2015 lan tich cua chung
tinh tong cac phan so nghich dao cua chung
tong cac so nghich dao cua cac so sau : 120,168,224,288,.......,9800
Do cac ban : Tinh tong cac so le tu 1-999 ban nao tra loi nhanh nhat minh tick cho
mot lop hoc co 16 nam va 20 nu .Co bao nhieu cach chia deu hoc sinh cua lop hoc do thanh cac to (so to nhieu hon 1 ) sao cho so nam trong to bang nhau va so nu trong to bang nhau ? Trong cac cach do thi cach chia nao de moi to co so hoc sinh it nhat
Tim 3 phan so biet tong cac nghich dao cua chung la mot so tu nhien?
1. Cho A = { 1; 2; 3; 4; 5; 6; 7; 8; 9 }. Hay viet tap hop A bang cach chi ra tinh chat dac trung bang 3 cach
2. Tim 3 so tu nhien lien tiep sao cho tong 3 so do la 36
3. Viet tap hop A cac so tu nhien co 3 chu so sao cho tong cac chu so cua moi so la 5
giup minh nhe minh se tickcho ^^ thank you very much !!!
tim 3 so tu nhien doi mot khac nhau sao cho tong cac nghich dao cua 3 so nay co gia tri la so tu nhien