Các câu hỏi tương tự
Tinh cac tong sau day mot cach hop li:
a) A= 1+ 5+ 52+ 53+........+ 51998
b) B= 1+ 4+ 42 + .................+ 4 n
Tinh tong sau bang cach hop li nhat: (1+3+5+...+99)-(2+4+6+...+100)
Tinh bang cach hop li
1/2+1/4+1/8+1/16+1/32
dat dau ngoac 1 cach thich hop nhat de tinh cac tong dai so sau :
a, 834 - 268 +2365 - 1834
b, 13 - 12 + 11 + 10 - 9 +8 -7 - 6 +5 - 4 +3 +2 - 1
dat dau ngoac 1 cach thich hop nhat de tinh cac tong dai so sau :
a, 834 - 268 +2365 - 1834
b, 13 - 12 + 11 + 10 - 9 +8 -7 - 6 +5 - 4 +3 +2 - 1
dat dau ngoac 1 cach thich hop nhat de tinh cac tong dai so sau :
a, 834 - 268 +2365 - 1834
b, 13 - 12 + 11 + 10 - 9 +8 -7 - 6 +5 - 4 +3 +2 - 1
thuc hien cac phep tinh sau 1 cach hop ly (3.4.2^16)^2/11.2^13.4^11-16^0
bai1.Tinh tong cua cac so nguyen am tu -1738 den -16
bai2.Tinh tong sau bang 2 cach
A=1+(-2)+3+(-4)+....+99+(-100)
A= 1-2+3-4+…+-98+99
Tinh tong sau mot cach hop ly