=\(\frac{37}{53}+\frac{23}{48}+\frac{53}{37}+\frac{24}{23}\)
=\(\left(\frac{37}{53}+\frac{53}{37}\right)+\left(\frac{23}{24.2}+\frac{24}{23}\right)\)
=\(1+\left(\frac{23}{24}-\frac{23}{2}+\frac{23}{24}\right)\)
=\(1+\frac{23}{2}=\frac{25}{2}\)
\(\frac{37}{53}\)x \(\frac{23}{48}\)x\(\frac{535353}{373737}\)x\(\frac{242424}{232323}\)tính nhanh
de BAI TINH BANG Cach hop li
32/48*75* 50
Thuc hien phep tinh sau bang cach hop li nhat:
a)5/11+1/2+2/5+6/11+3/4+16/25+5/16
b)19/4+37/100+1/8+132/25+5/2+37/12
54*275+825*15+275 tinh bang cach thuan hop li
Tinh bang cach hop li :
1997*1996-1/1995*1997+1996
Tinh bang cach hop li :
1996*1995-996/1000+1996*1994
tinh bang cach hop li nhat
1919phan 3232 x 646464 phan 747474 x 36 phan 19
so sanh cac phan so sau day bang cach hop li nhat
a}23/3 va 15/2
b 4/17 va 2/9
tinh bang cach hop li 256+399x255
256x399-143