直接写出得数.
65+1.37+4.35=0.9×1.25×8=0.55÷1.1=2.7×5÷2.7×5=
(8+0.8)×1.25=1﹣
﹣
﹣
=83×
=
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)
.