Các câu hỏi tương tự
1)so sanh : a=10^41-1/10^42-1 va b=10 ^ 40 -1 /40^11+1 .
2)ct: 1/2-1/4+1/8-1/16+1/32-1/64
1)so sanh : a=10^41-1/10^42-1 va b=10 ^ 40 -1 /40^11+1 .2)ct: 1/2-1/4+1/8-1/16+1/32-1/64<1/3
1)so sanh :
a=10^41-1/10^42-1va b=10 ^ 40 -1 /40^11+1 .2)ct:
1/2-1/4+1/8-1/16+1/32-1/64<1/3
So sanh S=\(\frac{1}{5}+\frac{1}{9}+\frac{1}{10}+\frac{1}{40}+\frac{1}{42}voi\frac{1}{2}\)
minh can cach lam
ai nhanh minh tick
So sánh: 1/5+1/9+1/10+1/41+1/42 và 1/2
So sanh
1/41 +1/42 + 1/4+1/43+...+1/79 va 7/12
lam nhanh minh tick
Khong lam phep tinh hay so sanh:
a.[-1]*[-2]*[-3]*...*[-2009] voi 0
b.[-1]*[-2]*[-3]*...*[-10] voi 1*2*3*...*9*10
So sánh S=1/5+1/9+1/10+1/41+1/42 với 1/2
So sánh
S= 1/5+1/9+1/10+1/41+1/42 với 1/2