Các câu hỏi tương tự
Trung binh cong cua 2 phan so = 7/8 Nếu tang phan so thu hai len gap 3 lan thi trung binh cong cua chung =17/8 Tim 2 phan so do
Tim 3 phan so khac nhau ,biet tong cua phan so thu 1 va phan so thu 2 la 7/8 ,tong cua phan so thu 2 va phan so thu 3 la 8/7 ,tong cua phan so thu 1 va phan so thu 3 la 8/9.
quy dong mau so ;a3phan 4 va 5 phan 12 ;b 5phan 6 va 7phan 8 c 8 phan 23 va 47 phan 69
c1 : so thich hop de dien vao cho cham de 74 ... chia het cho ca 2 va 3 laa.2b.6c.4d.8c2 : trong cac phan so duoi day phan so nao bang 2/9a.5/18b.6/27c.14/24d.10/26c3:hinh binh hanh co dien tich la 60 cm vuong,chieu cao la 6m thi do dai day cua no laa.5mb.20mc.10cmd.10cm vuongc4:rut gon phan so 24/36 ta duoc phan so toi gian laa.12/18b.8/12c.6/9d.2/3mong mn giup do
Đọc tiếp
c1 : so thich hop de dien vao cho cham de 74 ... chia het cho ca 2 va 3 la
a.2
b.6
c.4
d.8
c2 : trong cac phan so duoi day phan so nao bang 2/9
a.5/18
b.6/27
c.14/24
d.10/26
c3:hinh binh hanh co dien tich la 60 cm vuong,chieu cao la 6m thi do dai day cua no la
a.5m
b.20m
c.10cm
d.10cm vuong
c4:rut gon phan so 24/36 ta duoc phan so toi gian la
a.12/18
b.8/12
c.6/9
d.2/3
mong mn giup do
Hoa co 8 vien bi gom 4 bi xanh ,3 bi do,1 bi vang.phan so chi so phan cac vien bixanh trong tong so bi cua hoa la A.4/3 B.3/8. C.1/8 D. 4/8
Dien < > =
A 2/3:5/6. 4/5×2/3
B 1/2×3/4. 5/8:6/8
C 9/7:3/2. 7/6:1/4
D 13/12:12/11. 11/10:10/9
Cac ban nho ghi ket qua cuoi moi phan so nhe
trong cac phan so duoi day, phan so nao co gia tri nho nhat?
a. 99/100 b.7/8 c.14/15 d.3/4
mk can gap
Dien < > =
A 2/3:5/6. 4/5×2/3
B 1/2×3/4. 5/8:6/8
C 9/7:3/2. 7/6:1/4
D 13/12:12/11. 11/10:10/9
CAC BAN NHO VIET KET QUA DUOI MOI PHAN SO MA MINH TINH DUOC NHE
Rut gon phan so roi so sanh cac phan so
A,16 phan 20 va 9 phan 15
B,6 phan 8 va 3 phan 12
C, 15 phan 25 va 36 phan 45
Loi giai cu the nhe cac ban