Đề thi online - Số thực - Có lời giải chi tiết

A \(1;2;...9\)

B \(0;1;2;...9\)

C \(0\)

D A. \(0;1\)

A a) \(  - 4,25\)

b) \(1\)

c) \(\frac{{519}}{{1000}}\)

d) \(\frac{3}{2}\)

B a) \(  - 4,05\)

b) \(2\)

c) \(\frac{{195}}{{1000}}\)

d) \(\frac{2}{3\)

C a) \(  - 5,25\)

b) \(3\)

c) \(\frac{{915}}{{999}}\)

d) \(\frac{4}{5}\)

D a) \(  - 4,85\)

b) \(4\)

c) \(\frac{{196}}{{1000}}\)

d) \(\frac{3}{4}\)

A a) \(x = \frac{1}{{5}}\)

b) \(x = \frac{{13 }}{5}\)

c) \(x = \frac{1}{{12}}\)

d) \(x = \frac{{29}}{5}\)

B a) \(x = \frac{1}{{53}}\)

b) \(x = \frac{{5 }}{13}\)

c) \(x = \frac{1}{{21}}\)

d) \(x = \frac{{2}}{59}\)

C a) \(x = \frac{1}{{35}}\)

b) \(x = \frac{{13 }}{5}\)

c) \(x = \frac{1}{{121}}\)

d) \(x = \frac{{25}}{9}\)

D a) \(x = \frac{1}{{3}}\)

b) \(x = \frac{{35 }}{5}\)

c) \(x = \frac{12}{{121}}\)

d) \(x = \frac{{5}}{9}\)