A. \[1\frac{{25}}{{100}}\,{m^2};\frac{{109}}{{5000}}\,{m^2};2\frac{{40}}{{100}}\,{m^2};\frac{{17}}{{5000}}\,{m^2}\]
B. \[1\frac{{25}}{{100}}\,{m^2};2\frac{9}{{50}}\,{m^2};2\frac{{40}}{{100}}\,{m^2};\frac{{17}}{{5000}}\,{m^2}\]
C. \[1\frac{{25}}{{100}}\,{m^2};2\frac{9}{{50}}\,{m^2};2\frac{{40}}{{100}}\,{m^2};\frac{{17}}{{50}}\,{m^2}\]
D. \[1\frac{{25}}{{100}}\,{m^2};\frac{{109}}{{5000}}\,{m^2};2\frac{{40}}{{100}}\,{m^2};\frac{{17}}{{50}}\,{m^2}\]
a) \[125\,d{m^2} = \frac{{125}}{{100}}{m^2} = 1\frac{{25}}{{100}}\,{m^2}\]
b) \[218\,c{m^2} = \frac{{218}}{{10000}}{m^2} = \frac{{109}}{{5000}}\,{m^2}\]
c) \[240\,d{m^2} = \frac{{240}}{{100}}{m^2} = 2\frac{{40}}{{100}}\,{m^2}\]
d) \[34\,c{m^2} = \frac{{34}}{{10000}}{m^2} = \frac{{17}}{{5000}}\,{m^2}\]
Vậy\[1\frac{{25}}{{100}}\,{m^2};\frac{{109}}{{5000}}\,{m^2};2\frac{{40}}{{100}}\,{m^2};\frac{{17}}{{5000}}\,{m^2}\]
Đáp án cần chọn là: A
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