Các câu hỏi tương tự
rut gon bieu thuc 2ax^2-a(1+2x^2)-[a-x(x+a)]
1 rut gon bieu thuc ; A=5Ix+1I-3.[4-2x]
rut gon bieu thuc sau : 4^2.25^2+32.125/2^3.5^2
Rut gon bieu thuc ( 2x like )
a)28^15 . 3^17
_____________
84^16
b) 3^10 + 6^2
________________
5.3^8 + 20
voi a<-1, gia tri rut gon cua bieu thuc /a/ +a la............
rut gon bieu thuc
B=1/2+(1/2)^2+(1/2)^3+...+(1/2)^99
Bai 1: Rut gon bieu thuc sau
B=(2/3)^3×(-3/4)^4×(-1)^5/(2/5)^2 × (-5/12)^3
Bai 2: Tim ia tri bieu thuc sau
M= 512- 512/2- 512/2^2- 512/2^2 - 512/2^3...512/2^10
Rut gon bieu thuc(2014.2015-1)/(2013.2015+2014) duoc ket qua la:
Rut gon bieu thuc ( 2x like )
a)28^15 . 3^17
_____________
84^16
b) 3^10 + 6^2
________________
5.3^8 + 20