Các câu hỏi tương tự
Cho A={3;-4;5}va B={-3;4;6; 8}
a, Co bao nhieu tich a×b voi a€A;b€B duoc tao thanh
b,Co bao nhieu tich lon hon 0? bao nhieu tich nho hon 0
c,Co bao nhieu tich la boi cua 3 nhung ko la boi cua 9
d,Co bao nhieu tich la uoc cua -24
1)co bao nhieu so tu nhien co ba chu so la ba so tu nhien lien tiep tu nho den lon neu viet so ay theo thu tu nguoc lai cua cac chu so ay theo thu tu nguoc lai cua cac chu so thi so moi hon so cu la bao nhieu?
tinh nhanh:
a)100-94+90-84+80-74+70-64+60-54
b)5.125.20.16
c)36.(140+97)+73.(232+68)
d)5+9+13+...+2005+2009+2013
e)3+6+9+...+108
f)1+2+4+8+...+4098
1) co bao nhieu boi cua 4 tu 10 den 200
2) co bao nhieu so vua la boi cua 5 vua la uoc cua 50
3) tim cac so tu nhien N sao cho :
A) N-1 la uoc cua 28
B) 2 nhan N +1 la uoc cua 18
C) N nhan (N +2)=8
3 like cho nguoi giai nhanh nhat 3 cau tren . Giai ki nhe
trong cac so sau , so nao la luy thua cua 1 so tu nhien voi so mu lon hon 1 gồm: 8, 10, 16, 64, 125, 144, 1000 (chu y rang nhung so tu nhien co nhieu cach viet duoi dang luy thua?
Cho day so 4/3; 9/8; 16/15; 25/24; 36/35;......
Goij S la tich cua 100 so dau tien cua day. Khi do 51S la bao nhieu
"HELP 3kg cua 1/5 la bao nhieu ?
ME " 18 kg cua 1?6 la boa nhie ?
va 21 kg cua 1?4 la bao nhieu?
Goi s la tap hop cac uoc cua 8.vay S co bao nhieu phan tu
cho day so tu nhien lien tiep 1 2 3 4 ... hay cho biet chu so 8 hang tram cua so 868 la chu so bao nhieu trong day
cho 2 tap hop a= (3;-4;5) va b=(-3;4;6;8)
a:co bao nhieu tich ab voi aEA,bEB duoc tao thanh?
b:co bao nhieu tich lon hon 0?bao nhieu tich nho hon 0?
c:co bao nhieu tich la boi cua 3 nhung khong la boi cua 9
d:co bao nhieu tich la uoc cua -24