Các câu hỏi tương tự
Mot xi nghiep co 2 phan xuong. So cong nhan o phan xuong thu nhat bang 2/5 so cong nhan phan xuong thu hai . Cuoi nam co 22 cong nhan chuyen tu phan xuong 2 sang phan xuong 1 nen so cong nhan phan xuong 1 bang 5/7 so cong nhan phan xuong 2 tinh so cong nhan moi phan xuong ?
3 phan 1 nhan 4 cong 3 phan 4 nhan 7 cong 3 phan 7 nhan 10 cong ... cong 3 phan 40 nhan 43
3 mu 3 nhan 9 tru 3 mu 4 nhan 3 cong 5 mu 8 nhan 5 mu 0 tru 5 mu 12 chia 25 mu 2
5 mu n nhan 5 mu n cong 1 nhan 5 mu n cong 2 be hon hoac bang 10 mu 18
tim x y thuoc z biet x mu 2 cong y nhan x cong y mu 2 bang x mu hai nhan y mu hai
tinh cac tong sau
a= 4 phan 3 nhan7 conh 4 phan 7 nhan 11 cong 4 phan 11 nhan 15cong chammm cong 4 phan 107 nhan 111
mot nha may co 3 phan xuong . so cong nhan cua phan xuong 1 bang 36% tong so cong nhan nha may so cong nhan cua phan xuong 2 bang 3/5 so cong nhan cua phan xuong 3 . biet so cong nhan cua phan xuong 3 hon so cong nhan cua phan xuong 1 la 18 nguoi . tinh so nguoi moi phan xuong
chung minh rang 8 mu 10 cong 2 mu 20 chia het cho 41
chung minh rang 313 mu 6 nhan 36 tru 313 mu 5 nhan 299 chia het cho 7
8 mu 2 chia 9 cong 50 chia 2 tru ba mu ba nhan 3 mu 0
(tinh nhanh neu co the)