3/5÷[7/8-(2/5+3/8)]-(4/5-1/4)* 6/11÷9/20

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3/5÷[7/8-(2/5+3/8)]-(4/5-1/4)*6/11÷9/203/5÷[7/8-(2/5+3/8)]-(4/5-1/4)*6/11÷9/203/5÷[7/8-(2/5+3/8)]-(4

3/5÷[7/8-(2/5+3/8)]-(4/5-1/4)* 6/11÷9/20
3/5÷[7/8-(2/5+3/8)]-(4/5-1/4)* 6/11÷9/20

3/5÷[7/8-(2/5+3/8)]-(4/5-1/4)* 6/11÷9/20
3/5÷[7/8-(2/5+3/8)]-(4/5-1/4)* 6/11÷9/20
=3/5÷(7/8-3/8-2/5)-(16/20-5/20)x6/11x20/9
=0.6÷(0.5-0.4)-11/20x6/11x20/9
=0.6÷0.1-6/9
=6-2/3
=5又 1/3

3/5÷[7/8-(2/5+3/8)]-(4/5-1/4)* 6/11÷9/20
=3/5÷[7/8-2/5-3/8]-11/20* 6/11*20/9
=3/5*10-2/3
=6-2/3
=5又1/3

313/54

5*(1/3)