直接写出得数.
1÷1%= 45×58== 2÷5=
(+
)×12=
×56×
=7×30%=
×6%=
直接写出得数.
9π= 52﹣5=﹣2%= 1÷10%= 4﹣
﹣
= 25×32=
0.9+99×0.9=×
= 100×2.25%= a×a=
+
×5=
×
÷
×
=
直接写出结果.
3.14×8= 0.75﹣0.302= 1﹣21.8%=×
=
×
÷
×0= 98.5×10%= 4×0.25= 1÷0.125=
口算.
2+3.57=
7÷1.4=
390×0.01=﹣
=
8×=
+
+
=
下列各题能简算的请用简便计算.
(1)0.85×+0.85÷2
(2)4.72﹣+3.28﹣
(3)[1﹣(﹣
)]×
(4)×96.