TONG CUA 2so bang 28,1so lon hon so be 9

 don vi .hoi cung phai bot moi so di bao nhieu don vi de so lon gap doi so be

hai so co tong bang 270 so lon hon so be 30 don vi thi phải them vao so lon bao nhieu don vi de ty so cua hai so moi bang ty so cua hai so ban dau

hai so co tong la 270 so lon hon so be 30 don vi neu tang so be them 72 don vi thi phai them vao so lon bao nhieu don vi de ty so moi van bang ty so cua hai so ban dau

tim mot phan so bang 7/13 sao cho mau so cua no lon hon tu so 114 don vi . cac ban ve so do giup minh nhe cam on

hai so co tong la 270 so lon hon so be 30 don vi neu tang so be them 72 don vi thi phai them vao so lon bao nhiêu don vị de ty so cua hai so moi van bang ty so cua hai so ban dau

tong cua hai so 28,1 so lon hon so be 9,1 don vi hoi cung phai bot moi so di bao nhieu don vi de so lon gap doi so be

Tim 3 so a,b,c biet tong cua 3 so bang 66,76 don vi a be hon c 12,74 don vi , a be hon b 22.4 don vi 

bai 1 tim hai so khi biet hieu cua chung bang 8.7 va biet khi nhan so be voi 4 nhan so lon voi 3 thi duoc hai tich bang nhau

bai 2 trung binh cong cua hai so bang 189.6 tim so lon biet so lon hon so be 24.5 don vi 

bai 3 tim 2 so biiet thuong cua chung bang 0.6 hieu cua chung bang 7.2 

ai giai giup voi toi voi viet dap an ra nhe hoac guib ca bai giai nhe thi toi tick 100 cai luong luc nao gap toi cung tick chi can giain cho toi thoi nhe cam on cac ban

tong cua hai so la 28,1.so lon hon so be 9,1 don vi . hoi cung phai bot di moi so di bao nhieu don vide so lon gap doi so be