Các câu hỏi tương tự
Tong 2 so la 48 neu giu nguyen so hang thu nhat va gap so hang thu 2 len 6 lan thi duoc tong moi la 123.Tim 2 so do
Bai 1: tich cua 2 so ,biet rang neu giu nguyen thua so thu nhat va tang thua so thuhai len 4 lan thi duoc tich moi la 8400
Bai 2: Tim 2 so co tich bang 5292 ,biet rang neu giu nguyen thua so thu nhat va tang thua so thu hai them 6 don vi thi duoc tich moi bang 6048
tim so tu nhien co 2 chu so ,biet rang neu viet them chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim .Neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan.
tim hai so co tich la 3250 biet rang neu ta cong them vao thua so thu hai 7 don vi va giu nguyen thua so thu nhat va thuc hien phep nhan lai thi duoc tich moi la 4125
tong cua hai so bang 2000. Neu so hang thu nhat them 135 don vi va so hang thu hai bot 531 don vi thi duoc tong moi la bao nhieu ?
tim so co hai chu so biet rang neu doi cho 2 so do thi duoc so moi,tong moi va so phai tim la 132 va chu so hang chuc hon chu so hang don vi la 4
tim so co hai chu so biet rang neu doi cho 2 so do thi duoc so moi,tong moi va so phai tim la 132 va chu so hang chuc hon chu so hang don vi la 4
tim 1 so biet rang neu viet them vao ben phai so do so 94 ta duoc so moi va tong cua so moi va so phai tim la 2013
tim tong cua hai so , biet rang neu moi so hang deu bot di 2010 don vi thi duoc tong moi la 20109