估一估，数一数，阴影部分的面积大约是多少？（每个方格代表1平方厘米）
直接写出得数．
23.6﹣8.8=
+
=
×
= 0÷= 0.24×5=
36÷
= 2.4÷40%=
×
= 2.75﹣（
+
）=
+
×=
8.4÷0.7=
×33=
﹣
= 0.25×4= 3﹣
=÷25%= 4.8×
= 3.37+6.63=
+
×2=
×
=
1﹣100%= 3.6×
= 0.5﹣
+0.5﹣= 12.6÷3= 1.02﹣0.43=
1÷
= 10﹣1.34﹣3.66= 8÷
= 7+0÷7﹣7=
×13÷=
直接写出下列各题的得数．
3.5+2.75= 0.6×1.5=
=
=
15×（1﹣
）= 320÷8÷25= 6.3÷0.07=
=
直接写出得数．
9.9+0.9= 0.5×1.2= 24÷
= 0.36÷0.6=
2.625﹣1.25= 99÷
×0= 1÷
×
=
×
÷×
=
直接写得数．
2.73+3.27=
÷
=
×
= 11﹣
=
×
=
+=