Các câu hỏi tương tự
Tim so nguyen x , biet : 1 phan 6 = x phan 18 ; x phan 8 = -1 phan 4 ; 4 phan -5 = x phan 10 ; 11 phan 5 = -22 phan x ; x phan 8 = 8 phan x ; x phan -11 = -11 phan x
x tru 3 phan y tru 2 bang 2 phan 3 va x tru y bang 4
tim x
-x phan 4 bang -9 phan x
Viet cac tap hop sau bang hai cach liet ke cac phan tu:
a/A={x thuoc N |18<x<21}
b/B={x thuoc N*|x<4}
cho x = 3a +1 voi a = 0 1 2 3 4 bang cach liet ke cac phan tu hay viet tap hop g gom cac phan tu la gia tri cua x
tim mot phan so co mau la 11 biet rang khi tu tru 18 va nhan mau voi 7 thi duoc mot phan so bang phan so da chotim mot phan so co mau la 11 biet rang khi tu tru 18 va nhan mau voi 7 thi duoc mot phan so bang phan so da cho
mot nha may co 3 phan xuong . so cong nhan cua phan xuong 1 bang 36% tong so cong nhan nha may so cong nhan cua phan xuong 2 bang 3/5 so cong nhan cua phan xuong 3 . biet so cong nhan cua phan xuong 3 hon so cong nhan cua phan xuong 1 la 18 nguoi . tinh so nguoi moi phan xuong
tim phan so a/b bang phan so 18/27, biet rang ucln (a,b) 13
bang
Tim phan so bang phan so 8/18, biet tu nhan mau bang 324.
Ai giai nhanh minh tick