(48-(13*3/8+13*5/8))/5/3计算题过程

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(48-(13*3/8+13*5/8))/5/3计算题过程

(48-(13*3/8+13*5/8))/5/3计算题过程
(48-(13*3/8+13*5/8))/5/3计算题过程

(48-(13*3/8+13*5/8))/5/3计算题过程
(48-(13*3/8+13*5/8))/5/3
=(48-13*(3/8+5/8))*(3/5)
=(48-13*1)*(3/5)
=35*3/5
=21

[48-13*(3/8+5/8)]*(3/5)=(48-13)*(3/5)=21

(48-(13*3/8+13*5/8))/5/3
=(48-13*(3/8+5/8))*(3/5)
=(48-13*1)*(3/5)
=35*3/5
=21