0.387×76000﹣387×66+84×387+38.7×60101×99×999+999




.
合理、灵活地计算.
14.15﹣(7
﹣6
)﹣2.125
×
+
×
(111+999)÷[56×(
﹣
)]
6.45×0.75+4.55×75%﹣
.
计算,能简算的要简算
45×0.25+
×17+25%×38 6.62×45+3.38÷
[1.18﹣1.18×(1
﹣1.7)]÷(16﹣5
)[10﹣(4
+1
×2)]÷2
.
160÷1﹣0.75×60246×
25×98+12
×
+1
17×
+35×
.
脱式计算,能简算的要简算.
(1)(
+
)÷
﹣
(2)10.6﹣(6.6+
÷12.5%)
(3)(
+
)÷
+
(4)
×
+
×
.