能简算的要简算;4/5*1/6\9/20= 3/7+4/7\3/2= 24*(1/2+1/3+1/4)= 12/21\4/7+3/14\6/7=

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能简算的要简算;4/5*1/6\9/20= 3/7+4/7\3/2= 24*(1/2+1/3+1/4)= 12/21\4/7+3/14\6/7=
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能简算的要简算;4/5*1/6\9/20= 3/7+4/7\3/2= 24*(1/2+1/3+1/4)= 12/21\4/7+3/14\6/7=
能简算的要简算;4/5*1/6\9/20= 3/7+4/7\3/2= 24*(1/2+1/3+1/4)= 12/21\4/7+3/14\6/7=

能简算的要简算;4/5*1/6\9/20= 3/7+4/7\3/2= 24*(1/2+1/3+1/4)= 12/21\4/7+3/14\6/7=
4/5*1/6\9/20
=4/5*20/9*1/6
=16/9*1/6
=8/27
3/7+4/7\3/2
=3/7+4/7*2/3
=3/7+8/21
=17/21
24*(1/2+1/3+1/4)
=24*1/2+24*1/3+24*1/4
=12+8+6
=26
12/21\4/7+3/14\6/7
=3/7*7/4+3/14*7/6
=3/4+1/4
=1