а. 1га=10 000м²
29/10000*100=0,29%
б. 1час=3600с
217/3600*100=6%
в. 7ц=700кг
9/700*100=1,29%
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Answers & Comments
а. 1га=10 000м²
29/10000*100=0,29%
б. 1час=3600с
217/3600*100=6%
в. 7ц=700кг
9/700*100=1,29%
б）3.37/60
в）9/700
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3.4.5.6