Sắp xếp :

1. cheap / from / Sun / the / clean / and / Energy / is .

2. was / of / the / one / Mark Twain / writers / famous / American / in / most

3. writing / I / about / to / complain / am / shoes / the / bought / I / your / at / week / shop / last.

\(A=\frac{5}{3.7}+\frac{5}{7.11}+\frac{5}{11.15}+...+\frac{5}{81.85}+\frac{5}{85.89}\)

25+5x-4³=251

-> 5x - 4³ = 251 - 25

-> 5x - 64 = 226

-> 5x = 226 + 64

-> 5x = 290

-> x = 290 : 5

-> x = 58

đặt câu hỏi cho chủ đề local community

Tìm giá trị của x để :

a) x > 2x

b) a + x < a

c) x³ < x²

nhiều dữ !!!

\(\frac{6}{11}x=\frac{9}{2}y=\frac{18}{5}z\) và y - x + z = -196