[ 130 - 3 x ( 5 x 2 - 5 x 2 ) ] : 2
= [ 130 - 3 x 0 ] : 2
= [ 130 - 0 ] : 2
= 130 : 2
= 65
[ 130 - 3 x ( 5 x 2 - 5 x 2 ) ] : 2
= [ 130 - 3 x 0 ] : 2
= [ 130 - 0 ] : 2
= 130 : 2
= 65
[130-3(5.24-52.2)]:23
tinh
2448:[119-(23-6)]
[130-3.(5.2^4-5^2.2)]:2^3
5^3.52+5^3.7^2-5^3
2^3.16-2^3.14+56
Chứng minh rằng x, y là 2 STN liên tiếp, biết:
\(x=5.2^{2020}-5.2^{2018}+5.2^{2016}-...-5.2^6+5.2^4-5.2^2+5;\) \(y=2^{2022}\)
Thứ hai tuần sau em nộp các thầy cô giúp em với
Tính hợp lý(nếu có thể)
7^5:7^3+3^2.2^3-2009^()
b)5^3.52+5^3.7^2-5^3
c)[130-3.(5.2^4-5^2.2)]:2^3
d)10+12+14+....+148+150
tính\(\frac{5.2^{30}.3^{18}-4.3^{20}.2^{27}}{5.2^9.3^{19}-7.2^{29}.3^{18}}\)
Tính
\(\frac{5.2^{30}.3^{18}-2^2.3^{20}.2^{27}}{5.2^9.2^{19}.3^{19}-7.2^{29}.3^{18}}\)
Tính:
\(\frac{5.2^{30}.3^{18}-2^{29}.3^{20}}{5.2^{28}.3^{19}-7.2^{29}.3^{18}}\)
Thuc hien phep tinh) A = \(\frac{5.2^{30}.3^{18}-4.3^{20}2^{27}}{5.2^9.2^{19}.3^{19}-7.2^{29}.3^{18}}\)
Tính
\(\frac{2^6.2^8+2^7.2^9}{2^5.2^7+2^5.2^7}-\frac{2^0+2.3^3}{3^0+8^2}\)