https://hoc24.vn/cau-hoi/25-gio-gio-phut175-gio-gio-phut19-gio-gio.5176358883187
https://hoc24.vn/cau-hoi/25-gio-gio-phut175-gio-gio-phut19-gio-gio.5176358883187
https://hoc24.vn/cau-hoi/1-gio-15-phut-phut-2-gio-30-phut-phutdfrac45-gio-phut.5176087259958
https://olm.vn/cau-hoi/mot-be-ca-dang-hinh-hop-chu-nhat-khong-co-nap-chieu-dai-15mchieu-rong-08mchieu-cao-07m-a-hoi-be-do-co-the-chua-duoc-bao-nhieu-lit-nuoc-biet.5843074452699
https://hoc24.vn/cau-hoi/mot-thung-hlp-co-canh-05-mnguoi-ta-son-ca-mat-trong-va-mat-ngoaitinh-dien-tich-son.4751285657044
giúp với
https://hoc24.vn/cau-hoi/mot-truong-tieu-hoc-co-so-hs-nam-bang-75-so-hs-nu-neu-chuyen-56-hs-nu-di-truong-khac-thi-so-hs-nam-bang-90-so-hoc-sinh-nu-con-lai-hoi-luc-dau-truo.38169211721
giải dùm câu hỏi này
https://hoc24.vn/cau-hoi/dat-tinh-roi-tinh-a-21-phut-12-giay-4-b-4-phut-15-giay-x-5-c-11-gio-27-phut-3-d-2-gio-12-phut-x-4-hang-ngang-ko-tkghi-luon-dap-an-ko-tkhang-doc-ok.5366680723718
Giup minh giai cau hoi toan nay abc + ab + a = 586 vay abc ,ab,a la bao nhieu
de thi violympic co 30 cau hoi 3 thi sinh tra loi dung so cau hoi lan luot la 26 23 18. co it nhat bao nhieu cau hoi ma ca 3 thi sinh deu tra loi dung