23.(x+1)=65-19
23.(x+1)=46
x+1=46:23
x=2-1
x=1
Vậy x=1
23.(x+1)=65-19
23.(x+1)=46
x+1=46:23
x=2-1
x=1
Vậy x=1
cho hai phan so C=2/n-1 va D=n+4/n+1 .tap hop cac so nguyen "n" de C va D deu la cac so nguyen la?
.mk dang can gap ai nhanh nhat mk tick cho
13.(17-95+83):5
ai nhanh mk tick cho mk dang can gap
Cho S = 1/3 + 1/4 + 1/5 +.........+ 1/31 + 1/32. Hãy so sánh S voi 2.
mk dang can gap. ai lam giup mk thi mk se tick cho 12 cai nha.
Ve hai goc phu nhau nhung ko ke nhau
Giup mk voi mk dang can rat gap ai tra loi dc mk tick cho
4/5 + 5/7 : x = 1/6
mk can gap ai nhanh dung nhat thi mk tick
4/7 . x - 2/3 = 1/5
mk dang can gap giai chi tiet mk tick cho
ai giup mk ta ban than ko zay nhanh len mk dang can gap
30 . (-25) - 30 .70 -5 .30
ai lam nhanh mk se tick dang can gap
1 tim x
x.8,6=387
mk can gap lam ai nhanh mk tick cho