Tich cua hai phan so toi gian co mau so khac 1 la 15/14. Tong 2 phan so do?
phan so toi gian co mau khac 1 co tich cua tu va mau la 270
Viet phan so 11/12 duoi dang tong cua hai phan so toi gian co mau khac nhau
\(\frac{11}{12}=\frac{2}{3}+\frac{1}{4}\)
BAI 3 ;TRONG mot thu vien co 1\2 so sach la truyen thieu nhi 2\5 so sach la sach giao khoa con lai la sach giao khoa tim phan so chi so sach khac
BAI 4; viet phan so 7\8 thanh tong cua ba phan so toi gian co mau so khac nhau
Tich cua hai phan so toi gian co tu so khac 1 bang \(\frac{6}{35}\). Tim tong cua hai phan so do
Tong cua phan so toi gian la 1 so nguyen.Chung to mau cua hai phan so do bang nhau hoac doi nhau.
Bai 1
A; 8\5+7\6+5\9-2
B;3-5\6-4\9+32\24
Bai 2; Trong mot thu vien co 1\2 so sach la truyen thieu nhi 2\5 so sach la sach giao khoa con lai la cac loai sach khac tim phan so chi so sach khac
Bai3 ;viet phan so 7\8 thanh tong cua ba phan so so toi gian co mau so khac nhau
Bai4; A;x :5\4 =9\5+1\2 B;[x +3\4]* 5\7 =10\9
Bai 5 mot manh giay hinh chu nhat co chu vi la 22\3 dm chieu dai hon chieu rong 1\2 dm tinh dien tich cua manh giay do
A; viet phan so 3\5 thanh tong cua hai phan so thap phan [viet ba cach khac nhau]
B;Viet phan so 1\2 thanh tong cua hai phan so thap phan co mau so khac nhau
tim cac phan so toi gian biet tich cua tu va mau la 220 va phan so co the viet dc duoi dang so thap phan
gồm các số : \(\frac{44}{5};\frac{5}{44};\frac{55}{4};\frac{4}{55}\)
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