cac ban hay viet cho minh cau truc cua cac thi: hien tai don , hien tai tiep dien , thi tuong lai don , thi qua khu , ti qua khu tiep dien , thi hien tai hoan thang , thi qua khu hoan thang tiep dien , thi tuong lai hoan thanh
Cau truc cua so sang hon so sanh hon nhat
Cac dong tu bat qua tac thuong gap trong tieng anh
Cau 1 : Chung to rang voi moi so tu nhien n thi tich (n+3) (n+6) chia het cho 2
Cau 2 : Mot phep chia co thuong la 6 , so du la 3 . Hieu giua so chia va so bi chia la 38 . Tim so bi chia va so chia
Cau 3 : Chung to rang : Lay mot so co hai chu so cong voi mot so gom hai chu so ay viet theo thu tu nguoc lai
ta luon duoc mot so chia het cho 11 ( chang han 43+ 34 = 77, chia het cho 11 )
Cau 4 : Tim so tu nhien nho nhat , biet rang khi chia so nay cho 29 thi du 5 , con khi chia cho 31 thi du 28
Cai nay chi co HSG lam duoc thoi ! Neu ban nao lam duoc thi giup minh nhe ! Thu 2 ming phai nop
roi . Nho la phai lam dung nhe , vi la thu 3 tuan sau thi roi, phai nop vao thu 2 cho nhanh chong !
biet a,b la 2 so nguyen to ko cung nhau thoa man a=2n+3;b=3n+1.Khi do UCLN(a,b)=.....?
nhanh len nha mk dang can gap
luu y: ko tra loi bang chtt hay cau hoi tuong tu
mot hoc sinh cho rang luc ma hai ngon tay tac dung len lo xo giu cho lo xo ngan hon muc binh thuong la hai luc can bang. theo em phai bieu nhu vay co dung khong?vi sao?
Ve hinh de thay moi cau sau la sai:
a) hai tia chung goc luon la hai tia doi nhau
b) hai tia chung goc luon la 2 tia trung nhau
c)hai tia chung goc luon la 2 tia phan biet
d)hai tia co nhieu diem chung chi khi chung la 2 tia trung nhau
e)hai tia phan biet va co goc chung luon la 2 tia doi nhau
f)hai tia khong chung goc luon lA 2 tia khonh co dIEM chung
ai giup minh minh cam on nhIeu nha!!!
ai co cau hoi o violympic thi dang len va tra loi nhe lop6
minh can de on thi
minh se kb va k cho nguoi dang nhieu
Cau 1 so sanh su no vi nhiet cua cac chat
Cau 2 cung 1 luong nuoc nong nhu nhau va cung 1 the tich thi co thuy tinh day hay mong de bi vo hon
Giai nhanh minh tich luon
Cau 5: Trong cac khang dinh sau, khang dinh nao dung, khang dinh nao sai?
1.Ba diem phan biet la ba diem thang hang.
2.Voi ba diem phan biet luon co hai diem nam ve cung phia doi voi diem con lai.
3.Voi ba diem thang hang phan biet luon co hai diem nam khac phia voi diem con lai.
4.Voi ba diem A,B,C thang hang thi diem B luon nam giua hai diem A,C.
5.Co mot va chi mot duong thang di qua hai diem (phan biet) cho truoc.
6.Hai duong thang phan biet thi song song voi nhau.
7.Hai tia chung goc thi cung nam tren mot duong thang.
8.Hai tia chung goc thi doi nhau
9.Neu diem M nam giua diem A,B thi no la trung diem cua doan thang AB.
10.Neu MA=MB thi M la trung diem cua doan thang AB.
11.Neu MA+MB= AB va MA=MB thi M la trung diem cua doan thang AB.
viet 1 doan van tu 10-15 cau noi len suy nghi cam xuc cua em ve dip nghi he vua qua,co it nhat:1 LT,1 ST,1 PT,1 CDT,1 BPNT