Các câu hỏi tương tự
Thực hiện phép tính:
a, A=1/2+1/14+1/35+1/65+1/104+1/152+1/209
b, 1010/1008.8-994-1.2.3+2.4.6+3.6.9+5.10.15/1.3.6+2.6.12+3.9.18+5.10.30
c, 1/1.2.3+1/2.3.4+1/3.4.5+...+1/10.11.12
Tính A=1/2+1/14+1/35+1/65+1/104+1/152
Tính nhanh :1/2+1/14+1/35+1/65+1/104+152
Tính nhanh: 1/2+1/14+1/35+1/65+1/104+1/152
tính nhanh
1/2+1/14+1/35+1/65+1/104+1/152
tính nhanh
1/2+1/14+1/35+1/65+1/104+1/152
Tính nhanh.
1/2+1/14+1/35+1/65+1/104+1/152.
1. Tính
C=1/2+1/14+1/35+1/65+1/104+1/152
Tính nhanh
C = 1/2 + 1/14 + 1/35 + 1/65 + 1/104 + 1/152