Các câu hỏi tương tự
tinh gia tri bieu thuc :P=x^3+1/x^3 biet x+1/3=3
Ai lam dc bai nay lam gium mik voi ak phai phai nop cho co roi
giup minh cau nay voi
tim gia tri cua x sao cho 2 bieu thuc sau co gia tri bang nhau
0,35x+3/4x và 4+x/10=x-39
Tim gia tri nho nhat cua cac bieu thuc sau
a) A=|5x+2|+2015
b) B=2016-|4-3x|
c) C=|x-4|+|x-3|
giup minh giai cac gia tri nay voi...dung minh se tich
HỨA SẼ TÍCH...
giup minh may bai nay
1 . gia tri cua x thoa man dang thuc (x-1)(x+3)-(x-2)(x+5)=6 la ?
giai chi tiet giup to may bai nay nha1. Cho tam giac ABC co trung tuyen AM . Goi I la trung diem cua AM. Tia BI cat AC tai D, qua M ke duong song song voi BD cat CD tai E. Biet BD18cm , khih do ID ? cm2. gia tri lon nhat cua bieu thuc Q 5-x2+2x2-4y2-4y3 . gia tri cua x thoa man (12x-5)(4x-1)+(3x-7)(1-16x)81 , x?4. x+y3 , gia tri cua bieu thuc Q x2+2xy+y2-4x-4y+1?5 . a+b+c0 va abc-2 thi a3+b3+c3 ?6. rut gon bieu thuc(a2+b2)2-4a2b2voi a2-b25 ta duoc ket qua ?
Đọc tiếp
giai chi tiet giup to may bai nay nha
1. Cho tam giac ABC co trung tuyen AM . Goi I la trung diem cua AM. Tia BI cat AC tai D, qua M ke duong song song voi BD cat CD tai E. Biet BD=18cm , khih do ID = ? cm
2. gia tri lon nhat cua bieu thuc Q= 5-x2+2x2-4y2-4y
3 . gia tri cua x thoa man (12x-5)(4x-1)+(3x-7)(1-16x)=81 , x=?
4. x+y=3 , gia tri cua bieu thuc Q = x2+2xy+y2-4x-4y+1=?
5 . a+b+c=0 va abc=-2 thi a3+b3+c3= ?
6. rut gon bieu thuc(a2+b2)2-4a2b2voi a2-b2=5 ta duoc ket qua ?
giai dum minh bai nay voi :c=x/2x-2+x^2+1/2-2x^2
a)tim x de a co nghia
b)rut gon bieu thuc c
c)tim gia tri cua x de bieu thuc kia =1/2
giúp mình cảm ơn nhìu nha !
giai chi tiet giup minh may bai nay nha . minh cam on nhiu
1. cho hinh thang can ABCD (AB song song CD) . ke duong cao AE cua hinh thang. Biet AB=15 cm, CD =26 cm. Do dai doan DE la ? cm
2.gia tri cua x3+y3-9x-54=0
3. tu 0 den 6 co the viet duoc bao nhieu chu so tu nhien co 2 chu so khac nhau
4. voi moi x, gia tri cua bieu thuc (x+1)3-(x+1)3+6(x+1)(x-1)
giup to 3 bai nay
1. gia tri cua x thoa man (2x+3)(x+1)2-(2x+3)(2x-3)
2. so nghiem cua da thuc x3+6x2+11x+6 la ?
3. bieu thuc C = 8-5x-2x2 dat gia tri lon nhat tai x = ?
giup to 3 bai nay
1. gia tri cua x thoa man (2x+3)(x+1)2-(2x+3)(2x-3)
2. so nghiem cua da thuc x3+6x2+11x+6 la ?
3. bieu thuc C = 8-5x-2x2 dat gia tri lon nhat tai x = ?