计算下面各题,能简算的要简算.
7.27﹣(1.98+0.27)23.4×18﹣23.4×8.
用简便方法计算下面各题.
10÷8+3.96×12.5%+2.0423×75%+17×2.5×
1.75.
用递等式计算,能简算的要简算.
(1)36×9﹣105÷15(2)×
+
×
(3)(12.5×16﹣40)÷0.4
(4)+(
﹣
)(5)
÷
+
×
(6)(
+
+
)×36.
用递等式计算.
(1)370×203﹣19266÷38
(2)32×3.1+1÷1.25
(3)×(39÷35)÷0.9
(4)(9﹣3.06÷)×1
(5)(3﹣1×56
(6).
计算下面各题能简便的尽量简便
(1)24×
(2)
(3)0.374×48+0.62×37.4﹣3.74
(4)0.125×+
×8.25+12.5%
(5)÷[(
+
)×
].