Tuyển Cộng tác viên Hoc24 nhiệm kì 26 tại đây: https://forms.gle/dK3zGK3LHFrgvTkJ6
a) Tim so nguyen n de bieu thuc de n-1 la uoc cua 5
b) Tim so nguyen m de bieu thuc : A = -5/m-1 co gia tri nguyen voi n khong =1
Chu y :may ban lam 2 cau ruj minh tick cho ha
tim so nguyen a de bieu thuc sau co gia tri la so nguyen : M=(2a+8):5+(-a-7):5
Cho bieu thuc A = 3/n-2
a) Tim cac so nguyen n de bieu thuc A la phan so
b) Tim cac so nguyen n de A la mot so nguyen
Cac giup minh nhe minh dang can gap.
Cho bieu thuc A=6/n+2(n€Z)
a)Tim n de A la phan so
b)Tim n de A la so nguyen
Thu gon bieu thuc sau roi tim gia tri cua x de bieu thuc co gia tri la so am
7 × -19 × x + 6 × x
Cho bieu thuc B= 7/ n -7
a) So nguyen n phai co dieu kien gi de B la phan so.
b) Tim phan so B biet n = -7
c) Tim cac so nguyen n de B la so nguyen.
bn nao co loi giai chi tiet bai nay mk se tick,vi mk dung dien thoai ko viet dau dc nen cac ban thong cam nha.
cho bieu thuc B=4/n-3 voi n la so nguyen
a, so nguyen n phai co dieu kien gi de B la phan so
b, Tim so B biet n=0;n=10;n=-2
THANKS NHIU
tinh gia tri cua bieu thuc a+b biet rang a la so nguyen am lon nhat co 2 chu so b la so nguyen am nho nhat co 2 chu so
giup minh voi cam on
CHO bieu thuc
B=17,58*43+57*17,58/293*A
a)tim gia tri cua bieu thuc Bkhi a=2
b)tinh gia tri a khi B=2
c)tim gia tri so tu nhien ad biet bieu thuc B co gia tri lon nhat ,gia tri lon do la bao nhieu
