Ôn tập toán 6
Các câu hỏi tương tự
tim 3 so nguyen a, b, c thoa man : a+b = -4; b+c = -6; c+a = 12
cho a+b = b +c = e + g voi a, b ,c ,d , e ,g la cac so nguyen to nho hon 20 tim a + b
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
\(\frac{a}{7}-\frac{1}{2}=\frac{1}{b+3}\)
tim so nguyen a, b
Tim so ngyen a de phan so M= \(\dfrac{a+5}{a-4}\)co gia tri nguyen
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 nguyen n thoa man :A=n:n+3 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
tim cac gia tri nguyen cua n de phan so A=3.n+2/n-1 co gia tri la so nguyen