Thu gon cac bieu thuc sau
7x - 19x + 6x
-ab - ab
Rut gon bieu thuc sau : A=3x5x7x11x13x37-10101 / 1212120+40404
giup minh voi cac ban oi!!!!
Bo dau ngoac roi rut gon bieu thuc :
a) - ( - 12 + 25 - 36 ) - ( 12 - 36 + 57 )
b) - ( 23 + 5 - 6 + 17 ) + ( 23 - 5 - 83 - 6 )
c) 12 . ( 6 - 7 - 8 ) - 10 . ( 11 + 12 - 13 )
Giup minh voi minh dang can rat gap
mn giup minh voi minh dag can gap
khong tinh gia tri cu the,hay so sanh 2 bieu thuc
A=123.123 va B= 121.124
C= 123.137137 va D= 137.123123
E=2015.2017 va 2016.2016
cam on mn nhieu
TIM CAC SO NGUYEN X DE BIEU THUC SAU LA SO NGUYEN:
A=6 /X-2
B=X+1/X-2
C=X-5/X+2
MK CAN GAP LM NHANH GIUP MK!!!
MN GIUP MINH VOI DAG CAN GAP
tim x
[(6x-39)chia 7 ]
x=?
cam on ban nao da giup minh giai cau nay
Tinh gia tri cua bieu thuc :
a) A= 5a^3 b^4 voi a = -1, b = 1
b) B = 9a^5 b^2 voi a = -1, b = 2
Giup minh voi minh dang can cuc gap.
abc+ab+a =874
mk can gap giup voi
lam giup mik voi
tinh gia tri cua bieu thu
D=(2^9.3+2^9.5)-2^12
(1+2+3+.....+100).(1^2+2^2+3^2+.....+100^2).(65.111-13.15.37)
C=2^10-2
F= 1+3^1+3^2+3^3 +.....+3^100
mik dag can gap lam
