如图:正方形边长为2,求图中阴影部分面积.
直接写出得数:= 4+3%= 2.15﹣(1.15﹣0.15)=
=
50%×(2.9﹣2.7)== 1÷
﹣
÷1
=
=
×(
)=
= 2﹣150%=
直接写出得数.
1000﹣458= 5.1﹣4.5= 2.5﹣2.5×0.1= 3.2×128×0.25=+
=
+
=
+
×
=
×6×
=
直接写出得数:
100÷0.1= ; 384﹣84÷3= ; 1÷0.01= ;
5﹣0.09= ; +1
= ;
×
÷
×
= .
直接写得数.
1﹣0.4= 1÷
×3= 0.01÷0.1=
×
÷
×
=
0.125×0.125= 12.9985×3.0023≈﹣0.7+
=
=
3.57+2.2= 0.9﹣0.26==
﹣
=
3.25×4== 14÷25=
÷7=