toán cho những siêu trí tuệ
123456789 x 3 =
193762568 x 3 =
ko tính bằng máy tính nhé
123456789+123456789-123456789*123456789/123456789=y
hỏi y / 123456789=?
? =
X x 123456789 =123456789*10*10
tìm X
123456789-123456789-123456789+123456789=?
123456789=123456789*123456789:123456789
123456789+123456789+123456789=
123456789+123456789+123456789=???
123456789+123456789=
123456789+123456789