Các câu hỏi tương tự
Tinh nhanh cac tong sau
45 /100 cong 18/35 cong 50/72 cong 17/35 cong 55/100 cong 22/72
tinh nhanh 4 phan 5 cong 2 phan 7 cong 11 phan 5 cong 12 phan 7 cong 1 phan 5
cac cong thuc tinh cong tru phan so cung mau so ,khac mau so
tinh nhanh 2cong 4 cong 6 cong 8 cong ... cong 102
Bac An lam mot cong viec het 8 gio.Bac Binh cung cong viec ay het 5 gio.Luc dau 2 baccung lam nhung sau khi lam duoc 3 gio do ban cong viec nen bac Binh phai di lam viec khac.Hoi bac An con phai lam bao lau nua moi hoan thanh cong viec?
tim trung binh cong cac so chia het cho 5 va nho hon 2014
Tinh nhanh
9/15 cong 16/20 cong 25/25 cong 30/36 cong 49/35 cong 64/40 cong 81/45 cong 100/50
tim so trung binh cong cac so 4;6'8'10;12;14;16;18. em cocach nao tinh nhanh so trung binh cong cua cac so tren khong
3 Tinh
4/7 cong 8 12 cong 6/15 21 cong 3/9 105 cong 7/10