Các câu hỏi tương tự
tính nhanh tổng sau : a= 1/3 + 1/8 +1/15 + 1/24 + 1/35 + 1/48 + 1/63 + 1/80
TTinh nhanh : 1/3+1/8+1/15+1/24+1/35+1/48+1/63+1/80
tinh nhanh tong sau :
1/3 + 1/8 + 1/15 + 1/24 +1/35 +1/48 + 1/63 + 1/80
tính nhanh
A=1/3+1/8+1/15+1/24+1/35+1/48+1/63+1/80
B=1/4+1/10+1/18+1/28+1?40+1/54+1/70
A=1/3+1/8+1/15+1/24+1/35+1/48+1/63+1/80
\(A=\frac{1}{3}+\frac{1}{8}+\frac{1}{15}+\frac{1}{24}+\frac{1}{35}+\frac{1}{48}+\frac{1}{63}+\frac{1}{80}\)
1/8+4/32+15/40+24/48+35/56+48/64+63/72
Tính nhanh:
1/3 x 1/8 x 1/15 x 1/24 x 1/35 x ... x 1/99
Giải đúng sẽ được tíck
tính nhanh
1/15 +1/35 +1/63 +1/99 +1/143