4444444444+5523333336+536=
1000000000-4444444444=?
9999999999 - 4444444444
4+44+444+...+4444444444 = ?
bố lấy trong tương tự chứ gì con biết tỏng
4+44+444+4444+............+4444444444 = ?
= 44444444444444444444444444444444444444444444444444444444444444444444444444444444444
4444444444 có chia hết cho 41 ko
Tính nhanh:
C=4+44+444+4444+...+4444444444
4+44+444+4444+44444+444444+4444444+444444444+4444444444
4+44+444+4444+44444+444444+4444444+444444444+4444444444=4893827156
536 x 60 + 536 x 39 + 536
\(536.60+536.39+536=536\left(60+39+1\right)=536.100=53600\)
536 x 60 + 536 x 39 + 536
= 536 x 60 + 536 x 39 + 536 x 1
= 536 x ( 60 + 39 + 1 )
= 536 x 100
= 53600
tìm chữ số 1
999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888!888888888888888888888888888889999999999999999999999999999999999777777777777777777777777777777777777777777777755555555555555555555555555555%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%^^^^^^^^^^^^^^^^^^^^^^^^^&&&&&&&&&&&&&&&&&&&********************(((((((((((((((((((((((((((((((((@@@@@@@@@@@@@@@@@@@@@@@@@#######################################4444444444$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
Ko có số 1 bn ơi số một là dấu !
Lí do:
Bấm Shifft + 1 = !