由题意得:
4.8除以24=0.2(公顷)
0.2+0.05=0.25(公顷)
4.8除以0.25=19.2(小时)
24-19.2=4.8(小时)
答:提前了4.8小时完成.
计划24小时割4.8公顷,实际每小时比计划多割0.05公顷,提前几小时完成?
计划24小时割4.8公顷,实际每小时比计划多割0.05公顷,提前几小时完成?
数学人气:194 ℃时间:2019-11-12 13:21:41
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