Các câu hỏi tương tự
so sanh 2 phan so sau:
\(\frac{2017}{1019}\)va \(\frac{2018}{2020}\)
ai tra loi duoc thi ket ban voi minh nhe
so sanh cac phan so sau
a. \(\frac{999}{1000}\) va \(\frac{1000}{1001}\)
b.\(\frac{998}{1000}\) va \(\frac{1000}{1002}\)
c.\(\frac{1001}{1003}\) va \(\frac{1005}{1007}\)
ai tra loi duoc thi ket ban voi minh nhe
frac{1998cdot1996+1997+1995}{1997cdot1996-1995cdot1996} frac{1994cdot1993-1992cdot1993}{1992cdot1993+1994cdot7+1986}frac{399cdot45+55cdot399}{1995cdot1996-1991cdot1995} frac{2006cdotleft(0.4-3:7.5right)}{2005cdot2006}frac{1978cdot1979+1980cdot21+1958}{1980cdot1979-1978cdot1979} frac{2.43cdot12300-24.3cdot1230}{45cdot20.1+55cdot28.9+4.5+3.3-55cdot5.37}frac{1996cdot1997+1998cdot3+1994}{1997cdot1999-1997cdot199...
Đọc tiếp
\(\frac{1998\cdot1996+1997+1995}{1997\cdot1996-1995\cdot1996}\) \(\frac{1994\cdot1993-1992\cdot1993}{1992\cdot1993+1994\cdot7+1986}\)
\(\frac{399\cdot45+55\cdot399}{1995\cdot1996-1991\cdot1995}\) \(\frac{2006\cdot\left(0.4-3:7.5\right)}{2005\cdot2006}\)
\(\frac{1978\cdot1979+1980\cdot21+1958}{1980\cdot1979-1978\cdot1979}\) \(\frac{2.43\cdot12300-24.3\cdot1230}{45\cdot20.1+55\cdot28.9+4.5+3.3-55\cdot5.37}\)
\(\frac{1996\cdot1997+1998\cdot3+1994}{1997\cdot1999-1997\cdot1997}\) \(\frac{2003\cdot14+1988+2001\cdot2002}{2002+2002\cdot503+504\cdot2002}\)
ket qua cua day tinh 1992*1993*1994*1994+1995*1996*1997*1998*1999
900000/2*9+445/5
ai tra loi duoc thi ket ban voi minh nhe
\(\frac{2}{7}\)+ \(\frac{5}{14}\)+\(\frac{1}{7}\)+\(\frac{3}{14}\)
\(\frac{1995×1997-1}{1996×1995+1994}\)
469 × 281 + 489 × 719
Giúp mình nha . Mai mình nội bài rồi :((
tính nhanh:
B=\(\frac{3+33+333+3333+33333}{4+44+444+4444+44444}\)
A=\(\frac{1}{3}+\frac{1}{6}+\frac{1}{12}+\frac{1}{24}+\frac{1}{48}+\frac{1}{96}+\frac{1}{192}\)
\(\frac{1995}{1997}.\frac{1990}{1993}.\frac{1997}{1994}.\frac{1993}{1995}.\frac{997}{995}\)
\(\frac{1}{2}\times\frac{1}{3}\times\frac{1}{4}\times...\times\frac{1995}{1996}\times\frac{1996}{1997}\)
1+3+5+7+........+99+101
ai tra loi duoc cau nay thi ket ban voi minh nhe