e, E tap hop va so tu nhien le khong vuot qua 30
f, F tap hop cac so tu nhien chan khong vuot qua 30
g, G tap hop cac so tu nhien lon hon 30
h, H tap hop cac so tu nhien lon hon 30 nho hon 31
k, K tap hop cac so tu nhien chia cho 3 du 1 lon hon 20 nhung nho hon 100
co the khang dinh tap hop z bao gom 2 bo phan la cac so nguyen am va cac so nguyen duong khong? tai sao?
Co the khang dinh rang tap hop Z bao gom hai bo phan do la cac so nuyen am va cac so nguyen duong duoc khong? Vi sao?
co the khang dinh tap hop Z bao gom hai bo phan la cac so nguyen duong va cac so nguyen am duoc khong ? tai sao ?
hay tinh so phan tu cua cac tap hop sau
a. tap hop A cac so tu nhien le nho hon 294
b. tap hop b cac so tu nhien chia het cho 4 va nho hon 300
c. tap hop c cac so chia het cho 3 va co 2 chu so
Hay xac dinh tap hop sau bang cach chi ra tinh chat dac trung cua cac phan tu cua no.
A. Tap hop m la cac so tu nhien chia het cho 5 va be thua 30
viet cac tap hop sau va cho biet moi tap hop co bao nhieu phan tu ?
a) tap hop cac so tu nhien khong vuot qua 50
b) tap hop cac so tu nhien lon hon 8 nho hon 9
Bai 1 : Viet tap hop A cac so tu nhien lon hon 4 va ko vuot qua 7 bang hai cach .
a ) Viet tap hop cac so tu nhien khac 0 va ko vuot qua 12 bang hai cach .
b ) Viet tap hop M cac so tu nhien lon hon hoac bang 11 va ko vuot qua 20 bang hai cach .
c ) Viet tap hop M cac so tu nhien lon hon 9 ,nho hon hoac bang 15 bang 2 cach .
d ) Viet tap hop A cac so tu nhien ko vuot qua 30 bang 2 cach .
e ) Viet tap hop B cac so tu nhien lon hon 5 bang 2 cach .
f ) Viet tap hop C cac so tu nhien lon hon hoac bang 18 va ko vuot qua 100 bang 2 cach .
Ai lam nhanh minh se tick cho nha ,minh can gap .
trong cac khang dinh sau,khang dinh nao dung,khang dinh nao sai