下列各题,怎样算简便就怎样算.
(1)4.85×0.17+0.485×8.3(2)+
×99+
(3)2008×(4)2
﹣2.86×(6.25﹣6
)
下面各题,怎样简便就怎样算.
19.98×37﹣199.8×1.9+1998×0.829999×7+1111×37 231÷231(70+
)×
.
计算下面各题,怎么简便就怎样算
①9﹣(3
+0.4)②1.8×
+2.2×25%
③(8﹣10.5×
)÷4
④2
÷[5
﹣4.5×(20%+
)].
计算下面各题,怎样简便就怎样算.
33.02﹣(148.4﹣90.85)÷2.5 4×0.6+0.6÷
(1÷+
÷1)÷5.118.1+(3
﹣0.299÷0.23)×1
.
怎样算简便就怎样算..