a) 248: {[( 368+232): 120-3]+122}+2011
=248:{[600:120-3]+122}+2011
=> 248:{ 2+122}+2011
=> 248: 124+2011
=> 2+2011
=> 2013
a) 248: {[( 368+232): 120-3]+122}+2011
=248:{[600:120-3]+122}+2011
=> 248:{ 2+122}+2011
=> 248: 124+2011
=> 2+2011
=> 2013
thuc hien phep tinh bang cach hop li neu co the 37x96-86x37+2x23x5-30+4x16x25
thuc hien phep tinh bang cach hop li neu co the 30-[50-(9-4)2]+20150
thuc hien phep tinh( hop ly neu co the):
a) (11+159) . 37+(185-31) :14
b) 3280-(3^2.7^3.49)
thuc hien cac phep tinh hop ly neu co the
e)(-25).68 +(-34).(-250)
f)(-2)3(-3)2-32. (-4)3
1/4 - 1/3+ 5/12 Thuc hien cac phep tinh (tinh hop li neu co the)
thuc hien phep tinh sau mot cach hop ly:
45-|-15|:3
thuc hien phep tinh mot cach hop ly:
[-2013].2014+1007.26
cac ban giup toi cau nay voi:
Thuc hien phep tinh(hop ly neu co the):
(10/99+11/199-12/299)x(1/2-1/3+-1/6)
mong cac ban giup minh nhanh voi a. Minh xin cam on
thuc hien cac phep tinh sau 1 cach hop ly (3.4.2^16)^2/11.2^13.4^11-16^0