(2094/95×1.65−2094/95+7/20×2094/95)×47.5×0.8×2.5+10÷5．

（20

94

95

×1.65-20

94

95

+

7

20

×20

94

95

）×47.5×0.8×2.5+10÷5，
=（1.65-1+0.35）×20

94

95

×47.5×2×0.4×2.5+2，
=1×

1994

95

×（47.5×2）×（0.4×2.5）+2，
=

1994

95

×95×1+2，
=1994+2，
=1996．