3/8*5/6+0.375*5/6 3/2*32*4*1/8 简便算法 着急的

3/8*5/6+0.375*5/6
=3/8*5/6+3/8*5/6
=3/8*(5/6+5/6)
=3/8*5/3
=5/8
3/2*32*4*1/8
=3/2*2*16*4*1/8
=3/2*16*8*1/8
=3/2*16
=3/2*2*8
=3*8
=241-7/9÷7/6还是简算3/2*32*4*1/8 =3/2*2*8*2*4*1/8 =3/2*2*8*8*1/8=3*8*1=241-7/9÷7/6=1-7/9*6/7=1-2/3=1/3