Tìm X
88-3x(10+2xX)=34
b)0,5xx+2/3xx+2/3=7/12
c)3/5-2/15:x=1/2
d)50%xx-2va1/2=2va5/6
e)(2va4/5xx-50):2/3-51
f)(4va1/2-2xx)x3va2/3=11/15
g)02/5-(2va1/2xx-3):15=1/10
h)(3/4+x)x1/1+5va1/6-1va1/6
b)0,5xx+2/3xx+2/3=7/12
c)3/5-2/15:x=1/2
d)50%xx-2va1/2=2va5/6
e)(2va4/5xx-50):2/3-51
f)(4va1/2-2xx)x3va2/3=11/15
g)02/5-(2va1/2xx-3):15=1/10
h)(3/4+x)x1/1+5va1/6-1va1/6
Tính cách phù hợp với phép tính:64x52+37x52-2,26
Tìm X:88-3x(10+2xX)=34
a)1/2xX+3/2=7
b)3/2xX-2/7x(X-7/2)=18
tìm x:
a,2/3xX+1/4=5/6
b,7/12-5/6xX=1/4:2/3
c,2 và 1/3-(x+1)= 5/9
d, 2xX+1 trên 15=3/5
(x-7)x(2xx-8)=0
b,9 x (12-2xX)=54
c,Xx3,9 +Xx0,1=16
d,1,23:X-0,45:X=1,5
2xX+X:0,125=10
