Ôn tập toán 6
Các câu hỏi tương tự
phan tich cac so sau ra thua so nguyen to roi cho biet moi so do chia het cho cac so nguyen to nao?
a) 225
b) 1800
c) 1050
d) 3060
phan tich so 221 thanh tich cua 2 thua so nguyen to
Đọc tiếp
phan tich so 221 thanh tich cua 2 thua so nguyen to
tim cac gia tri nguyen cua n de phan so A=3.n+2/n-1 co gia tri la so nguyen
A, Tim so tu nhien y de phan so 12/y co gia tri = 4
B, tim so tu nhien a de 3 phan so 21/a ; 22/a-1 ; 24/a+1 deu la so nguyen
bai 1
cho bieu thuc A = 5/n+1 voi N THUOC Z
a, de A la phan so thi n co dieu kien gi ?
b , tim tat ca cac gia tri nguyen cua n de gia tri A la 1 so nguyen ?
bai 2
cho bieu thuc M = 6/n-3 voi n thuoc Z .Co bao nhieu gia tri cua n de :
a, M ko phai la phan so
b , M la phan so va cp gia tri nguyen ?
bai 3 viet tap hop cacs so nguyen sao cho :
-12/4 < x <6/3
a, tim tat ca cac so nguyen to p sao cho p+11 cung la so nguyen to
b,tim tat ca cac so nguyen to p de p+8,p+10 cung la cac so nguyen to
Tim so ngyen a de phan so M= \(\dfrac{a+5}{a-4}\)co gia tri nguyen
viet bieu thuc sau thanh tich co 3 thua so
12+21+20+11+15+51
viet cac tap hop sau = cach chi ra tinh chat dac trung cho cac phan tu cua tap hop ?
a, tap hop X cac so tu nhien lon hon 0 va nho hon hoac bang 10 ?
b, tap hop Y cac so tu nhien co 2 chu so ?
c, tap hop M cac so tu nhien16 ; 25 ; 36 ; 49 ; 64 ; 81 ?