0.325*[7/20÷(4-2.4*5/6)]
=0.325*[7/20÷(4-2)]
=0.325*[7/20÷2]
=13/40*7/40
=91/1600
0.325*[7/20÷(4-2.4*5/6)]
=0.325*[7/20÷(4-2)]
=0.325*[7/20÷2]
=13/40*7/40
=91/1600
希望对你有帮助
0.325*[7/20÷(4-2.4*5/6)]
=0.325*[7/20÷(4-2)]
=0.325*[7/20÷2]
=13/40*7/40
=91/1600