11/2=11x5/2x5=55/10
15/4=15x25/4x25=375/100
31/5=31x2/5x2=62/10
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Các câu hỏi tương tự
So thap phan nho nhat co 4 chu so khac nhau o phan nguyen va phan thap phan viet duoc tu 5 chu so 0 , 1 , 2 , 3 , 4
co the viet duoc bao nhieu so thap phan tu cac chu so 0,3,6,8 .cac so thap phan do co 2 chu so o phan thap phan ma co du mat 4 chu so da cho
cho 4 chu so 0;2;4;8.tu cac chu so tren, hay viet so thap phan be nhat co mot chu so o phan thap phan moi chu so da cho xuat hien trong cach viet dung mpot lan .vay so thap phan be nhat can tim la..............
co the viet duoc bao nhieu so thap phan co 3 chu so khac nhau tu cac chu so 1,2,3 trong cac so viet duoc co bao nhieu so co 1 chu so o phan thap phan
tinh tong cac so tu nhien duoc viet ma co 3 chu so o phan thap phan duoc lap tu cac chu so 0,3,5,7
cho 4 chu so 0,2,4,8 tu cac so da cho hay viet so thap phan be nhat co mot chu so o phan thap phan [moi chu so da cho xuat hien trong cach viet dung mot lan]
tu cac chu so 2,4,6,8 viet duoc bao nhieu so thap phan co 4 chu so khac nhau ma chi co 2 chu so o phan nguyen
Viet cac phan so sau thanh phan so thap phan 12/125=
54/180=
Ai nhanh minh tick
cho 4chu so 0;2;4;8.tu cac chu so da cho;hay viet so thap phan be nhat co mot chu so o phan thap phan(moi chu so da cho xuat hien trong cach viet dung mot lan)