\(=\frac{1.2.4\left(1+2.2.2+4.4.4+8.8.8+16.16.16\right)}{1.3.4\left(1+2.2.2+4.4.4+8.8.8+16.16.16\right)}=\frac{2}{3}\)
\(=\frac{1.2.4\left(1+2.2.2+4.4.4+8.8.8+16.16.16\right)}{1.3.4\left(1+2.2.2+4.4.4+8.8.8+16.16.16\right)}=\frac{2}{3}\)
RÚT GỌN P/S:
\(\frac{2.4+2.4.8+4.8.16+8.16.32}{3.4+2.6.8+4.12.16+8.24.32}\)
Rút gọn p/s:
2.4+2.4.8+4.8.16+8.16.32
___________________________ ( gạch ngang)
3.4+2.6.8+4.12.16+8.24.32
Tính
\(\frac{2.4+2.4.8+4.8.16+8.16.32}{3.4+2.6.8+4.12.16+8.24.32}\)
Giúp mình nhé
Tinh gia tri cua phan so
\(\frac{2.4+2.4.8+4.8.16+8.16.32}{3.4+2.6.8+4.12.16+8.24.32}\)
Tính giá trị phân số : \(\frac{2.4+2.4.8+4.8.16+8.16.32+16.43.64}{3.4+2.6.8+4.12.16+8.24.32+16.48.64}\)
TÍNH GIÁ TRỊ CỦA PHÂN SỐ:
\(\frac{2.4+2.4.8+4.8.16+8.16.32}{3.4+2.6.8+4.12.16+8.24.32}\)
a) 2.4+2.4.8+4.8.16+8.16.32/3.4+2.6.8+4.12.16+8.16.32
C= 2.4+2.4.8+4.8.16+8.16.32 phần 3.4+2.6.8+4.12.16+8.24.32
D=101+100+99+98+...+3+2+1 phần 101-100+99-98+...+3-2-1
bài 1: tính
a, \(\frac{1.2+2.4+3.6+4.8+5.10}{^{ }3.4+6.8+9.12+12.6+15.20}\)
b, \(y=\frac{2.4+2.4.8+4.8.16+8.16.32}{3.4+2.6.8+4.12.16+8.24.32}\) [ không có y = đâu viết nhầm ]