Các câu hỏi tương tự
A)viet cac so 2^27 va 3^18 duoi dang cac luy rhua co so mu la 9
B)trong hai so 2^27 va 3^18 so nao lon hon
viet cac so 2mu27 va 3mu18 duoi dang cac luy thua co so mu la 9
Viet cac so (0,25)^8 va (0,125)^4 duoi dang cac luy thua cua co so 0 ,5
bai 1: Cho cac don thuc A=-4/9x^3y va B= 3/8 x^5y^3. Tim cac cap gia tri (x;y)de A,B cung gia tri am
bai 2: viet don thuc B=64xy^12 duoi dang luy thua cua 1 don thuc voi so mu khac 1
bai 3: cho A=8x^5y^3; B=-3x^6y^3; C=-6x^7y^2. CM: Ax^2+Bx+C>0
viet tich 31. 5^2 thanh tong 3 luy thua co so 5 voi so mu la 3 so tu nhien lien tiep
viet cac so sau duoi dang luy thua cua 1 so:
\(a)-\frac{8}{27}\)
\(b)\frac{81}{625}\)
viet cac tich sau duoi dang luy thua cua 1 so:
\(a)27.81\)
\(b)\frac{2}{5}.\frac{8}{125}.\frac{16}{625}\)
Viết cac số (0,25)2 va (0,125)4 duoi dang luy thua cua cac co so 0,5
so sanh 2 mu 36 va 3 mu 27
9 mu 20 va 9999 mu 10
54 mu 4 va 21 mu 12
viet moi so sau voi dang so luy thua 81/125 va -8/27 xin cam on