Question

[ichigô]

hay cho biet co tat ca bao nhieu so co 4 chu so ma tong 4 chu ma tong 4 chu cua moi so do

Answer 1

[madara]

de sai roiu bn oi

Answer 2

[madara]

gia tri nho nhat cua bieu thuc A=(x^2+1)^2+/25-9y/+7{luu y: // la gttd}