9.8*62.5*1.25—12.5*0.625*18

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/01 21:59:13
9.8*62.5*1.25—12.5*0.625*18
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9.8*62.5*1.25—12.5*0.625*18
9.8*62.5*1.25—12.5*0.625*18

9.8*62.5*1.25—12.5*0.625*18
98*0.625*12.5-12.5*0.625*18
=12.5*0.625*(98-18)
=12.5*5/8*80
=12.5*50
=625

9.8*62.5*1.25—12.5*0.625*18
=9.8*6.25*12.5—12.5*6.25*1.8
=6.25*12.5(9.8-1.8)
=6.25*12.5*8
=6.25*100
=625

625啊~