44 + 55 +44 + 4 = 147
~HT~
44 + 55 + 44 + 4
= 44 x 2 + ( 55 + 4 )
= 88 + 59
= 147
#Maths
44+55+44+4= 147
44 + 55 + 44 + 4 = 147
44+55+44+4=174
4+66+99*55/44=?
1+2+3+4+5+6+7+8+9+11+44+55+22+33+77+55+88+66+99+111+444+......+666666*13
11 x 11 =
22 x 22 =
33 x 33 =
44 x 44 =
55 x 55 =
66 x 66 =
\(99 -55 + 44 - 55 + 22 =\)
44 + 55 + 1 =
1+2+3+4+5+6+7+8+9+10+11+22+33+44+55+66+77+88+99=???
33+99+88+77+66+55+44+22+11=?
\(33+44+55+66=..........\)
111+333+555+777+999+11+22+33+44+55+66+77+88+99
Thay mỗi số thành tích hai thừa số
4+4+4+4+4+8+12+16+20
22+33+44+55+66+77
24+36+48+60+72+84
