A. \[\frac{{3015}}{{10}}\]
B. \[\frac{{3015}}{{100}}\]
C. \[\frac{{3015}}{{1000}}\]
D. \[\frac{{3015}}{{10000}}\]
A. \[\frac{4}{5}\]
B. \[\frac{4}{{ - 5}}\]
C. \[\frac{5}{4}\]
D. \[\frac{{ - 5}}{4}\]
A. \[\frac{1}{2};\frac{3}{8};\frac{1}{3};\frac{6}{7}\]
B. \[\frac{6}{7};\frac{1}{2};\frac{3}{8};\frac{1}{3}\]
C. \[\frac{1}{2};\frac{1}{3};\frac{3}{8};\frac{6}{7}\]
D. \[\frac{6}{7};\frac{3}{8};\frac{1}{3};\frac{1}{2}\]
A. \[\frac{8}{{35}}\]
B. \[\frac{{ - 8}}{{35}}\]
C. \[\frac{{ - 12}}{{35}}\]
D. \[\frac{{12}}{{35}}\]
A. \[\frac{3}{{10}}\]
B. \[\frac{{15}}{{10}}\]
C. \[\frac{{15}}{{100}}\]
D. Không có phân số nào thỏa mãn.
A. \[4\frac{{23}}{{30}}\]
B. \[5\frac{{23}}{{30}}\]
C. \[2\frac{{23}}{{30}}\]
D. \[3\frac{{23}}{{30}}\]
A. \[\frac{{18}}{{15}}\]
B. \[\frac{{ - 2}}{5}\]
C. \[\frac{1}{5}\]
D. \[\frac{{ - 1}}{5}\]
A. B >
B. B >0, C = 0
C. B >
D. B = 0, C >
A. 2000
B. 1000
C. 100
D. 200
A. \[x = \frac{9}{{14}}\]
B. \[x = \frac{7}{4}\]
C. \[x = \frac{{ - 7}}{4}\]
D. \[x = \frac{9}{7}\]
A. \[\frac{8}{3}\]
B. \[\frac{{ - 5}}{{12}}\]
C. \[\frac{9}{4}\]
D. \[\frac{{11}}{6}\]
A.9
B.1
C.\[\frac{1}{9}\]
D.2
A. A >
B. 2A >B
C. A >B
D. A = B
A. \[\frac{1}{3}\]
B. \[\frac{1}{4}\]
C. \[\frac{2}{3}\]
D. \[\frac{1}{2}\]
A.39 km/h
B.40 km/h
C.42 km/h
D.44 km/h
A. \[\frac{{23}}{{99}} >
B. \[\frac{{23}}{{99}} >\frac{{2323}}{{9999}} >\frac{{232323}}{{999999}} >\frac{{23232323}}{{99999999}}\]
C. \[\frac{{23}}{{99}} = \frac{{2323}}{{9999}} >
D. \[\frac{{23}}{{99}} = \frac{{2323}}{{9999}} = \frac{{232323}}{{999999}} = \frac{{23232323}}{{99999999}}\]
A. \[\frac{{205}}{{110}}\]
B. \[\frac{{250}}{{110}}\]
C. \[\frac{{205}}{{101}}\]
D. \[\frac{{250}}{{101}}\]
A. \[\frac{{37}}{{67}} >
B. \[\frac{{37}}{{67}} >\frac{{377}}{{677}}\]
C. \[\frac{{37}}{{67}} = \frac{{377}}{{677}}\]
D. \[\frac{{37}}{{67}} \ge \frac{{377}}{{677}}\]
A. \[\frac{{31}}{2}.\frac{{32}}{2}.\frac{{33}}{2}....\frac{{60}}{2} = 1.2.3.4.5.6.7...60\]
B. \[\frac{{31}}{2}.\frac{{32}}{2}.\frac{{33}}{2}....\frac{{60}}{2} = 1.3.5.7...59\]
C. \[\frac{{31}}{2}.\frac{{32}}{2}.\frac{{33}}{2}....\frac{{60}}{2} = 1.3.5.7...60\]
D. \[\frac{{31}}{2}.\frac{{32}}{2}.\frac{{33}}{2}....\frac{{60}}{2} = 2.4.6.8...60\]
A.10
B.8
C.6
D.4
A. n ≠ 2k – 1 (k ∈ Z)
B. n ≠ 3k – 1 (k ∈ Z)
C. n ≠ 2k – 1 (k ∈ Z) và n ≠ 3k – 1 (k ∈ Z)
D. n ≠ 2k (k ∈ Z) và n ≠ 3k(k ∈ Z)
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