tinh gia tri cua bieu thuc \
A= (100+98+96+....................+2)-97-95-......-1
B=1+2-3-4+5+6-7-8+9+10-11-12+............-299-300+301+302
Tinh gia tri bieu thuc
2-4-6+8+10-12-14+16+.......-2006+2008+2010-2012
tinh gia tri bieu thuc
2^10*13+2^10*65
tinh gia tri cua cac bieu thuc sau roi so sanh cac ket qua tinh duoc
(-25)-(-12), 18+(14-42), (-18)-13+17
\(\frac{\text{ (21^7+5^17).(3^14-5^12).(2^4-4^2)}}{\text{13^2+5^3.67^7}}\)tinh gia tri bieu thuc
tinh gia tri bieu thuc:
-1-2+3+4-5-6+7+8-9-10+11+12-...-2013-2014+2015+2016
CHO bieu thuc
B=17,58*43+57*17,58/293*A
a)tim gia tri cua bieu thuc Bkhi a=2
b)tinh gia tri a khi B=2
c)tim gia tri so tu nhien ad biet bieu thuc B co gia tri lon nhat ,gia tri lon do la bao nhieu
tinh gia tri cua bieu thuc 9/40-11/60+13/84-15/112
inh gia tri cua bieu thuc
B=1+2-3-4+5+6-7-7+9+10-11-12+...-299-330+301+302
