x - 0,5 = 1/3+1/4
=> x - 1/2 =1/3 +1/4
=>x - 6/12= 7/12
=>x = 13/12
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x - 0,5 = 1/3+1/4
=> x - 1/2 =1/3 +1/4
=>x - 6/12= 7/12
=>x = 13/12
Tim x ,biet:
4/7:x+5/6=0,5
tim x biet /x-1/+/x+3/=4
Tim x biet : 20 . 2^x + 1 = 10.4^2 + 1
Tim x : ( 4-x:2)^3 - 1 = 2 . (2^3 - 5 : 2^0 )
tim x biet: ||x-1/2|.|2x-3/4||=2x-3/4
tim x biet /3x+1/+/4-x/=3
tim x biet (x-1)^4 :3^2=3^6
tim x biet (1/2+1/3+1/4) :(1/6-1/x)=17/5
tim x biet : (X+1/2)x(X-3/4)=0
tim x,y biet:
4/x=-y/6=0,5(âm y phần 6)
tinh nhanh
(2^3.5.7).(5^2.7^3)/(2.5.7^2)^2