rut gon phan so
914 x 2255 x 87
1812 x 6253 x 243
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Cho cac so nguyen duong a,b,c,x,y,z1, Biet 1/a 3/b + c 5/c + a. Hay rut gon phan so A a/2b - c2. Biet a/b 2b/cc 4c/a. Hay rut gon phan so B ab + bc + ca/a2 + b + c23. Biet x/a y/b z/c. Hay rut gon phan so C x*y*z*(b+c)*(c+a)*(a+b)/a*b*c(y+z)*(z+x)*(x+y)4. Biet ab/a + 2b 2/5; bc/b + 2c 3/4; ca/c +2a 3/5. Hay rut gon phan so D abc/ab+bc+ca5. Biet 3/a -4b 5c. Hay rut gon phan so E 3bc + ab - 4ac/6bc - 8ac -abGiup minh nhe! Ai lam duoc va dung cho tick.Thanks cac ban
Đọc tiếp
Cho cac so nguyen duong a,b,c,x,y,z
1, Biet 1/a = 3/b + c = 5/c + a. Hay rut gon phan so A = a/2b - c
2. Biet a/b = 2b/cc = 4c/a. Hay rut gon phan so B = ab + bc + ca/a2 + b + c2
3. Biet x/a = y/b =z/c. Hay rut gon phan so C = x*y*z*(b+c)*(c+a)*(a+b)/a*b*c(y+z)*(z+x)*(x+y)
4. Biet ab/a + 2b = 2/5; bc/b + 2c = 3/4; ca/c +2a = 3/5. Hay rut gon phan so D = abc/ab+bc+ca
5. Biet 3/a -4b = 5c. Hay rut gon phan so E = 3bc + ab - 4ac/6bc - 8ac -ab
Giup minh nhe! Ai lam duoc va dung cho tick.
Thanks cac ban
xin lỗi tớ ấn nhầm chỗ M=7 tớ làm lại rồi đó
ban tra loi het cac cau hoi phia tren kia ho minh dc ko?
Cho cac so nguyen duong a,b,c,x,y,z1, Biet 1/a 3/b + c 5/c + a. Hay rut gon phan so A a/2b - c2. Biet a/b 2b/cc 4c/a. Hay rut gon phan so B ab + bc + ca/a2 + b + c23. Biet x/a y/b z/c. Hay rut gon phan so C x*y*z*(b+c)*(c+a)*(a+b)/a*b*c(y+z)*(z+x)*(x+y)4. Biet ab/a + 2b 2/5; bc/b + 2c 3/4; ca/c +2a 3/5. Hay rut gon phan so D abc/ab+bc+ca5. Biet 3/a -4b 5c. Hay rut gon phan so E 3bc + ab - 4ac/6bc - 8ac -abGiup minh nhe! Ai lam duoc va dung cho tick.Thanks cac ban
Đọc tiếp
Cho cac so nguyen duong a,b,c,x,y,z
1, Biet 1/a = 3/b + c = 5/c + a. Hay rut gon phan so A = a/2b - c
2. Biet a/b = 2b/cc = 4c/a. Hay rut gon phan so B = ab + bc + ca/a2 + b + c2
3. Biet x/a = y/b =z/c. Hay rut gon phan so C = x*y*z*(b+c)*(c+a)*(a+b)/a*b*c(y+z)*(z+x)*(x+y)
4. Biet ab/a + 2b = 2/5; bc/b + 2c = 3/4; ca/c +2a = 3/5. Hay rut gon phan so D = abc/ab+bc+ca
5. Biet 3/a -4b = 5c. Hay rut gon phan so E = 3bc + ab - 4ac/6bc - 8ac -ab
Giup minh nhe! Ai lam duoc va dung cho tick.
Thanks cac ban
Rut gon phan so:
x^39+x^36+...+x^3+1
phan x^40+x^38+...+x^2+1
RUT GON PHAN SO SAU : 3 x 5 x 11 x 13/33 x 35 x 37
Xem thêm câu trả lời
tim so tu nhien x nho hon 63 de co the rut gon duoc phan so 63/x+1
Để rút gọn được thì:
63 chia hết cho x + 1
=> x + 1 thuộc Ư(63) = {-63; -21; -9; -7; -3; -1; 1; 3; 7; 9; 21; 63}
Mà x là số tự nhiên
=> x thuộc {0; 2; 6; 8; 20; 62}.
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Cho cac so nguyen duong a,b,c,x,y,z1, Biet 1/a 3/b + c 5/c + a. Hay rut gon phan so A a/2b - c2. Biet a/b 2b/cc 4c/a. Hay rut gon phan so B ab + bc + ca/a2 + b + c23. Biet x/a y/b z/c. Hay rut gon phan so C x*y*z*(b+c)*(c+a)*(a+b)/a*b*c(y+z)*(z+x)*(x+y)4. Biet ab/a + 2b 2/5; bc/b + 2c 3/4; ca/c +2a 3/5. Hay rut gon phan so D abc/ab+bc+ca5. Biet 3/a -4b 5c. Hay rut gon phan so E 3bc + ab - 4ac/6bc - 8ac -abGiup minh nhe! Ai lam duoc va dung cho tick.Thanks cac ban
Đọc tiếp
Cho cac so nguyen duong a,b,c,x,y,z
1, Biet 1/a = 3/b + c = 5/c + a. Hay rut gon phan so A = a/2b - c
2. Biet a/b = 2b/cc = 4c/a. Hay rut gon phan so B = ab + bc + ca/a2 + b + c2
3. Biet x/a = y/b =z/c. Hay rut gon phan so C = x*y*z*(b+c)*(c+a)*(a+b)/a*b*c(y+z)*(z+x)*(x+y)
4. Biet ab/a + 2b = 2/5; bc/b + 2c = 3/4; ca/c +2a = 3/5. Hay rut gon phan so D = abc/ab+bc+ca
5. Biet 3/a -4b = 5c. Hay rut gon phan so E = 3bc + ab - 4ac/6bc - 8ac -ab
Giup minh nhe! Ai lam duoc va dung cho tick.
Thanks cac ban
Cac ban tra loi giup minh di, minh se cho nhieu k!
Please.....!
Rut gon phan so sau:
A=5^2 x 6^11 x 16^2+6^2x12^6x15^2/2x6^12x10^4-81^2 x 960^3
Rut gon phan so:
2^23 x 45^25 x 13^22 x 35^16/9^26 x 65^22 x 28^17 x 25^9
lam on giup mk dc ko ?
\(\frac{2^{23}\cdot45^{25}\cdot13^{22}\cdot35^{16}}{9^{26}\cdot65^{22}\cdot28^{17}\cdot25^9}=\frac{2^{23}\cdot5^{25}\cdot3^{50}\cdot13^{22}\cdot5^{16}\cdot7^{16}}{3^{52}\cdot5^{22}\cdot13^{22}\cdot7^{17}\cdot2^{54}\cdot5^{18}}=\frac{2^{23}\cdot3^{50}\cdot5^{31}\cdot7^{16}\cdot13^{22}}{2^{54}\cdot3^{52}\cdot5^{22}\cdot7^{17}\cdot13^{22}}=\frac{5^9}{2^{31}\cdot3^2\cdot7}\)
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Tim phan so X/Y biet hieu cua X va Y bang 8 va X/Y sau khi rut gon chi bang 5/3?
Ghi them loi giai!!
Tử số là: 8:( 5 - 3 ) x 5 = 20. Mẫu số là: 20 - 8 = 12. Vậy phân số đó là:20/12
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(x-5)(x^2+26)+(5-x)(1-5x)
rut gon phan thuc
