[0.375/(3/8)+11]*(1/4)
=(1+11)*(1/4)
=3
(45*2/9)/(7/8+3/4)
=10/(13/8)
=80/13
[0.375/(3/8)+11]*(1/4)
=(1+11)*(1/4)
=3
(45*2/9)/(7/8+3/4)
=10/(13/8)
=80/13很简单。
(1)3
(2)80/13
[0.375/(3/8)+11]*(1/4)
=(1+11)x(1/4)
=3
(45x2/9)/(7/8+3/4)
=10/(13/8)
=80/13
=3