tim x biet 58<x
ai tra loi nhanh nhat mk kich nh
tim so tu nhien biet : 5x-1 -13 = 612
5 ban tra loi nhanh nhat minh se cho TICK
tim n biet , A=n chia het n+1 B=6n-7 chia het n-2
tim x biet A=x-1/x-2 >0
ai tra loi nhanh va dung nhat se duoc 1 tich va ket bn nhe nhanh len minh can gap lam
Tim x, biet:
1) -5.(2-x)+4.(x-3)=10.x-15
2) 2.(7x-14)-7.(3x-5)=28
3) 17+x=7+6.x
4) 4.!x-2!=8
5) 4.x-5.(-3+x)=7
mik dag gap lam tra loi nhanh va chi tiet giup mik
Bai 1: Tim so tu nhien x, biet
(x+1)+(x+2)+(x+3)+....+(x+100)=5750
Bai 2; Tinh nhanh
96:8=
Cac ban tra loi nhanh ho minh nha minh tick cho
tim so tu nhien nho nhat khac 0 biet rang (x+5):5; (x-12):6 ; (14 +x ) :7 tra loi x =
tim tat ca các so tu nhien n,biet rang trong 3 so 6,16va m,batcu so nao cung la uoc cua ,tinh 2 so hang
tra loi nhanh nhat va dung cho 3 like
tren tia Ox lay 2 diem A va B sao cho OA = 2cm , OB = 7cm . Tren tia BA diem lay diem C sao cho BC = 3 cm .Khi do CA = ....cm
cho xôy = 80 ^0 . Tia O z la tia doi cua tia Ox , tia Ot la tia doi cua tia Oy .Khi do zOt = ......^0
mot vuon trong 420 cay an qua , trong do 2 phan 5 la cam , 50 % la hong xiem con lai la buoi . Vay so cay buoi la ... cay
tim x biet 5phan 8 x - 1 phan 8 = 23 phan 4 . Tra loi x =...... ( Nhap ket qua dang so thap phan gon nhat )
ba tam vai co tong chieu dai la 126 cm .Tam thu nhat dai gap hai lan tam thu ba va ngan hon tam thu hai la 6 m . Khi do do dai tam giai thu ba la........cm
tim x biet 5 ( x + 35 ) = 115 tra loi x = .....
tim x biet (x - 5) .3 = 3 ^3 tra loi x =.......
so tu nhien lon nhat co bon chu so sau cho khi chia cho 11;13;17 deu du 7 la ......
Tim cap so nguyen x,y biet
( 3x + 2 ) . ( y - 1 ) = 7
Ai tra loi nhanh va dung minh se tick cho
Nho la soo nguyen