8.75-3.46-1.8*0.3 11/39*40 6-3/2-5/4-9/8-17/16 -33/32的简便运算

8.75-3.46-1.8*0.3=8.75-3.46-0.54=8.75-（3.46+0.54）=8.75-4=4.7511/39*40=11/39*（39+1）=11+11/39=11又39分之116-3/2-5/4-9/8-17/16 -33/32=6-1-1/2-1-1/4-1-1/8-1-1/16-1-1/32=1-1/2-1/4-1/8-1/16-1/32=2/2-1/2...