(5*5*5*5*5*5*5*5*5*5*5*5*5*55*5*55**5*5*55*5*5*5*55*5*5*101010101010101010110101010100) / 1011010110110101010101010110101010110110*5252525252525252525252525252525 = ?
5+5+5+5+5+55+5+5+5+5+5+5+55+5+5+5+5+5+5+5+55+5+5
= 265
Chúc bạn học tốt
265 nhe
học tốt
x=44444444444444444444444124
Rút gọn các biểu thức: 5 + 5 5 - 5 + 5 - 5 5 + 5
5*5*5*5*5*5*5*5*5*5*55*5*5*5*5*5*5*55555555*5=?
cho minh hỏi nhé cái dấu sao đó co phải dấu nhân không ? nếu đó là dáu nhân thì bằng 5
\(\dfrac{1}{55^2}\).\(5^4\).(-11)\(^2\) . \(55^5\) . (\(\dfrac{1}{5^2}\))\(^2\) : (\(5^3\) . \(11^6\)
\(\dfrac{1}{55^2}.5^4.\left(-11\right)^2.55^5.\left(\dfrac{1}{5^2}\right)^2:\left(5^3.11^6\right)\)
\(=\dfrac{5^4.11^2.5^5.11^5}{5^2.11^2}.\dfrac{1}{5^4.5^3.11^6}\)
\(=\dfrac{5^9.11^7}{5^9.11^8}=\dfrac{1}{11}\)
\(=\dfrac{1}{5^2\cdot11^2}\cdot5^4\cdot11^2\cdot55^5\cdot\left(\dfrac{1}{5}\right)^2\cdot\dfrac{1}{5^3\cdot11^6}\)
\(=5^2\cdot5^5\cdot11^5\cdot\dfrac{1}{5^2\cdot5^3\cdot11^6}\)
\(=\dfrac{11^5}{11^6}\cdot\dfrac{5^7}{5^5}=\dfrac{25}{11}\)
5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*0+1+55
5 x 5 x 5 x ... x 5 x 0 + 1 + 55 = 0 + 56 = 56
5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.0+1+55
=0+1+55
=56
5+5+55+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+55
hay viet dau phep tinh thich hop vao cho trong de co ket qua la 55
5.......5........5.........5.........5=55
Đúng ghi Đ sai ghi S
a,(55 + 35):5=55:5+35:5
=11+7
=18
b,(41+22):3=41:3+22:3
= 13 + 7
= 20
c,(55+35):5
=90:5
=18
d,(41+22):3
= 63 : 3
= 21