计算17.48×27+1.9×174.8﹣1.748×460.
脱式计算.(能简算的要简算)
(1)5.4×(86.5﹣16.25÷0.5)(2)3﹣×
﹣
(3)95.6×18+4.4×18(4)+(
﹣
)÷
.
计算下面各题,能简算的要简算.
(1)975﹣384÷16×25(2)÷(
+
)+1.65(3)5.25+3
﹣1.8+2
(4)×1.5﹣1.5×
(5)12.5×0.25×32(6)36×(
+
)÷2%
直接写得数
(1)1997+19998+1999+6=
(2)3.6÷0.36=
(3)41×101=
(4)﹣
+
=
(5)0.22=
(6)(50+)×
=
(7)×10÷
×10=
(8)0.75×+
×
= .
合理、灵活地计算
32×61.9+38.1×32 25×16×50×0.13×[0.75﹣(
﹣
)](1﹣
)÷[(0.1+1.1)÷0.2].