\(\frac{\overline{14a,bc}}{81}=\frac{140+\overline{a,bc}}{81}=\overline{a,bc}\Rightarrow140=80x\overline{a,bc}\Rightarrow\overline{a,bc}=140:80=1,75\)
Các câu hỏi tương tự
tim so a,b,c biet
14a,bc:81 =a.bc
Bai 7; Tim X va so thap phan a,bc? biet ; a,bc x XX =77,33
Cho so thap phan A chuyen dau phay cua so thap phan A sang ben phai mot hang ta duoc so thap phan B , biet B - A = 222,12 . Tim so thap phan do .
cho so thap phan A ; chuyen dau phay cua so thap phan A sang phai 1 hang ta duoc so B
Biet a+b =136.95.tim so thap phan a.
Cho so thap phan A chuyen dau phay cua so thap phan A sang ben phai mot hang ta duoc so thap phan B , biet B - A = 222,12 . Tim so thap phan do .
giai ra
tim so thap phan A ,biet khi roi dau phay cua so thap phan A sang ben phai 1 chu so ta duoc so thap phan B ,roi dau phay cua so thap phan A sang trai 1 hang ta duoc so thap phan C .Tong cua 3 so A,B,C la 223,887
Cho so thap phan a neu chuyen dau phay cua so thap phan a sang ben trai 2 chu so thi dc b neu chuyen dau phay cua so thap phan a sang ben phai 1 chu so thi dc b tim so thap phan a biet a+b+c= 2373,756
cho so thap phan a, chuyen dau phay cua so thap phan a sang ben trai mot hang ta duoc so b. Biet a-b=18,072. Tim so a
11 tháng 4 2022 lúc 14:52
Tìm số thập phân a,bc, biết:
14a,bc : 81 = a,bc
giúp mk với