1,12(6)=1+0,12(6)
=\(1+\frac{126-12}{900}=1+\frac{19}{150}=\frac{169}{150}\)
1,12(6)=1+0,12(6)
=\(1+\frac{126-12}{900}=1+\frac{19}{150}=\frac{169}{150}\)
2,1(5) dc viet duoi dang PS toi gian la
tu so cua phan so khi viet 1.8(3) duoi dang phan so toi gian
so 0,2(63) viet duoi dang phan so co ket qua la
tim phan so co mau khac 1 biet rang tich cua tu va mau la 210 va no co the viet duoc duoi dang so thap phan huu han, co ..................... phan so thoa man
viet 5,12(423) duoi dang phan so
phan so toi gian co mau khac 1 co tich cua tu va mau la 270
Tim 3 ps toi gian bit tog la 5959/2148.tu ti le voi 3,5,7.mau ti le voi 2,3,4
Cho tam giac ABC, K la diem bat ki thuoc canh AC.CMR:KB+KC<AB+AC(dung bat dang thuc cua tam giac)
3 doi san xuat duoc giao mot cong viec nhu nhau thoi gian hoan thanh cong viec cua doi 1 2 3 truong ung la 5 ngay 6 ngay 8 ngay biet nang suat lao dong cua moi cong nhan trong cac doi la nhu nhau tong so cong nhan 3 doi la 118 nguoi hoi moi doi co bao nhieu nguoi