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)×
+
×
.
计算:
8.06﹣2.73﹣5.271.25++0.75+
÷
+
×
X﹣0.75X=0.375.