Gọi 2 số cần tìm là a;b
Ta có a.b=225
a.(b+6)=225+90
=> a.b+a.6=315
=> 225+a.6=315
=> a.6=315-225=90
=> a= 90:6=15
=> b= 225:15=15
Gọi 2 số cần tìm là a;b
Ta có a.b=225
a.(b+6)=225+90
=> a.b+a.6=315
=> 225+a.6=315
=> a.6=315-225=90
=> a= 90:6=15
=> b= 225:15=15
TIM TICH CUA HAI SO TU NHIEN, BIET NEU GIAM THUA SO THU NHAT DI 6 DON VI THI TICH GIAM DI 486 DON VI,CON NEU TANG THUA SO THU HAI THEM 4 DON VI THI TICH TANG THEM 424 DON VI.
TICH HAI SO DO BANG.
tich cua hai so bang 450 biet neu tang thua so thu nhat tang them 9 don vi thi tich tang them 162 don vi tim 2 so do
Tich cua hai so bang 450 , biet neu tang thua so thu nhat them 4 don vi thi tich tang them 162 don vi. Tim hai so do
tich cua hai so la 133,biet neu tang thua so thu nhat tang them 6 don vi thi tich tang them 42 42 don vi .tim hai so do?
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.
tra loi............................!!!!!!!!
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 hai so co tich bang 5292,biet rang neu giu nguyen thua so thu nhat va tang thua so thu hai len 6 don vi thi co tich moi la 6048
tim tich cua 2 so tu nhien biet neu giam thua so thu nhat di 6 don vi thi tich giam di 486 don vi con neu tang thua so thu nhat 4 don vi thi tich tang 424 don vi
cho 2 so co tich bang 12878.neu thua so thu nhat tang them 63 don vi thi tich moi bang 21509.tinh tong cua hai so do