平均每平方米铺了多少块地砖？
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=
直接写得数．
0.36÷0.3= 2.5×4= 2.9×1000= 1﹣
=
﹣
= 1÷
×
= 1﹣1%= 38﹣19=
直接写得数
0.36+0.4= 0.5÷0.25= 0.23= 4×
÷4×=
+
=（
﹣
）×12=
÷0.18= 4.8﹣1.3﹣2.7=
直接写出得数．
1.36+0.24= 320﹣180= 10﹣2
= 36÷0.4=
﹣
=
+
= 1.2×50=
×5=
9×
=
×
= 0.375×4= 9÷
=