15.1/5(1/90.94+1/84.98+...+1/146.150)
=3(1/90-1/94+1/94-1/98+...+1/146-1/150)
=3(1/90-1/150)
3.1/225
=1/75
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Các câu hỏi tương tự
\(\frac{15}{90.94}+\frac{15}{94.98}+\frac{15}{98.102}+.....+\frac{15}{146.150}\)
Tính nhanh
a, 15/90.94 + 15/94.98 + 15/98.102 + ....... + 15/146.150
b, 10/56 + 10/140 + 10/260 + ...... + 10/1400
Tính
\(G=\frac{15}{90.94}+\frac{15}{94.98}+\frac{15}{98.102}+...+\frac{15}{146.150}\)
A=15/90.94+15/94.98+15/98.102+....+15/146.150
B=10/56+10/140+10/260+...+10/1400
C=1/25.27+1/27.29+1/29.31+.....+1/73.75
Tính các tổng sau :
a) F = 1/25.27 + 1/27.29 + 1/29.31 + ... + 1/73.75
b) G = 15/90.94 + 15/94.98 + 15/98.102 + ... + 15/146.150
c) H = 10/56 + 10/140 + 10/260 + ... + 10/1400
F=32/8.11 +32/ 11.14 + 32/ 14.17+...+ 32/197.200
E 1/25.27+1/27.29+1/29.31 +...+1/73.75
G =15/90.94+15/94.98 +15/98.102 +....+15/146.150
H=10/56+10/140 +10/260+....+10/1400
A=\(\frac{15}{90.94}+\frac{15}{94.98}+.....+\frac{15}{146.150}\)
Tính nhanh
a, F= 15/90.94 + 15/94.98 + 15/89.102+........+15/146.150
b, G= 10/56 + 10/140 + 10/260 + ........ + 10/1400
* Tính tổng sau :
H = \(\frac{15}{90.94}\)+\(\frac{15}{94.98}\)+\(\frac{15}{98.102}\)+...+ \(\frac{15}{146.150}\).
Mình cần gấp. Mong các bạn giúp đỡ !!!
Bạn nào làm đúng và nhanh , mình sẽ tick nhé <3
Thanks :)