\(\frac{2^{50}.3^{14}.7^{28}}{3^{13}.2^{51}.7^{28}}=\frac{2^{50}.3^{14}.7^{28}}{2^{51}.3^{13}.7^{28}}=\frac{1.3.1}{2.1.1}=\frac{3}{2}\)
chắc zậy
duyệt đi
\(\frac{2^{50}.3^{14}.7^{28}}{3^{13}.2^{51}.7^{28}}=\frac{3}{2}\)
\(\frac{2^{50}.3^{14}.7^{28}}{3^{13}.2^{51}.7^{28}}=\frac{2^{50}.3^{14}.7^{28}}{2^{51}.3^{13}.7^{28}}=\frac{1.3.1}{2.1.1}=\frac{3}{2}\)
chắc zậy
duyệt đi
\(\frac{2^{50}.3^{14}.7^{28}}{3^{13}.2^{51}.7^{28}}=\frac{3}{2}\)
Giup minh voi!
Rut gon roi quy dong mau cac phan so sau:
3 . 4 + 3 . 7/6 .5 + 9 va 6 . 9 - 2 . 17/63. 3 - 119
rut gon phan so \(\frac{25^{28}+25^{24}+...25^4+1}{25^{30}+25^{28}+...+25^2+1}\)
mách mk bài này rut gon phan so 2^11 * 3^11 + 2/41 *3^6 phần 2^10* 3^32 + 2^40 *3^7
tong cua tu so va mau so cua mot phan so la 4812 sau khi rut gon phan so do ta duoc phan so 5/7 hay tim phan so chua rut gon
\(\frac{\left(-5\right)^3.40.4^3}{135.\left(-2\right)^{14}.\left(-100\right)^0}\)
Giup minh rut gon phan so nhe
Cho phan so a/35
a, tim so nguyen to a de a/35 rut gon duoc
b, Tim cac so a biet phan so do la phan so toi gian nho nhat hon 1
Rut gon phan so sau
\(\frac{9^9.225^5.8^7}{18^{12}.625^3.24^3}\)
tim stn n de phan so A = 8n + 193 phan 4n+3 sao cho
a) co gia tri stn
b) la phan so toi gian
c) voi gia tri nao cua n trong khoang 150 den 170 thi phan so A rut gon duoc
\(A=\frac{a^3+2a^2-1}{a^3+2a^2+2a+1}\)
a/ Rut gon bieu thuc
b/ Chung minh rang neu a la so nguyen thi gia tri cua bieu thuc tim duoc o cau a, la mot phan so toi gian