Tính các tổng sau:
B= \(\frac{5.7}{2.7}+\frac{3.7}{7.10}+\frac{6.7}{10.16}+\frac{7}{16.17}+\frac{2.7}{17.19}\)
1 7phan20:2.7+2.7:1.35+<0.4:2 1phan2>.<4.2-1 3phan20> giup minh voi may ban oi
e, (3x–2⁴).7³=2.7⁴
(4x-2⁴).7³=2.7⁴
(3x-2⁴).7³=2.7⁴
(3x - 2^4).7^5=2.7^6
(3x - 2^4) - 7^3 = 2.7^4
7^2x+1 - 2.7^4 = 7^4.5
(3.x - 16).7 mũ 3 = 2.7