分数的倒数都大于1。
+5.25×
×6÷
÷8
×(
-
)
()
=


÷
=
×45= 0.32= 1-
+
=
÷
= 1+2%= 5÷
=
×75%
×14×
=
+
× 
是28,6的
是
×
= 8-
= 400×2.5%=
÷
=
×0= 86%×2= 3.14×22= 6×
÷6×
=