Question

240除以0.5-240除以0.6X=0.6 1

Answer 1

240除以0.5-240除以0.6X=0.6

化简..

为240*2-240*(1/0.6)x=3/5

480-400x=3/5

480*5-400*5x=3

2400-2000x=3

2000x=2397

x=2397/2000