www.fltk.net > 24.8x6.3%6.3x16.5+83x0.37巧算

24.8x6.3%6.3x16.5+83x0.37巧算

24.8x6.3-6.3x16.5+83x0.37 =6.3*(24.8-16.5)+83x0.37 =6.3*8.3+83*0.37 =8.3*(6.3+3.7) =83 满意采纳奥

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