一个长方形游泳池，长80米，是宽的2倍．（1）这个游泳池占地面积是多少平方米？（2）若沿着游泳池的边走两圈，走了多少米？
直接写出得数．======== 1.5×0.4= 10÷2.5= 2.4×5= 0.78÷1.3=
（1）3﹣1=（2）0.6÷=（3）75×10%= （4）+×4=（5）48×（﹣）=．
0.875+=== 1.25×0.16×8= 1÷0.5×2==
直接写出得数． 9.56+1.34== 1﹣== 1÷0.25%==== 1= 2.3÷0.3=
直接写得数．+=+= 2.4×0.5= 0.9÷0.03= 0.45×=÷=×= 0.4×0.12=
=
=
=
=
=
=
=
=
=（2）0.6÷
=（3）75×10%=
+
×4=（5）48×（
﹣
）=．
=
=
=
=
= 1﹣
=
= 1÷0.25%=
=
=
= 1
= 2.3÷0.3=
+
=
+
= 2.4×0.5= 0.9÷0.03=
=
÷
=
×
= 0.4×0.12=
粤公网安备 44130202000953号