Số cần tìm là:
2 x 2 = 4
Đáp số: 4
Học tốt nhé
\(2.2=\sqrt{4}.\sqrt{2^2}\) và kết quả là bằng . ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 3 nhé ;))))
dễ quá ban lấy 2 + 2 = 4
cũng như 2 x 2 = 4 thôi
ha....ha...ha...