计算:(1)
×37 (2)2004×
计算: (1)73
×
(2) 166
÷41
(1)
×39 +
×25 +
×
(2)1
×(2
-
)+ 15
÷ 
计算:(1)2000÷2000
(2)
计算:3
×25
+ 37.9×6
计算:(9
+7
)÷(
+
)
(1)
×8 (2)75×
(1)64
×
(2) 54
÷17
(1)
×39 +
×27
(2)18.25×11
- 17
÷ (1 -
)
(1)238÷238
(2)
128
×10
+ 71
×
