计算.
﹣50% 60%×
1﹣
÷5
+
﹣
﹣
÷90%
﹣12.5% 48%×
25%÷
直接写得数．
+
=
×3.6= 2.4﹣1
= 12
÷3=
23﹣2.03﹣2.003=（64+
）×
= 3.6÷0.36=
×4÷
×4=
1
﹣
﹣
=（
﹣
）×30=
直接写得数
30﹣19.02= 1﹣0.94+0.06= 3.125+1
= 1×5÷
×=
1÷0.1﹣1×0.1= 12×3.14﹣6.28=
++
=
×0.25+3=
直接写得数
4.3+3.57= 6.3÷0.9= 2.4×0.5= 1÷0.2÷0.5=
5﹣
﹣
= 10÷10%= 1÷0.2÷0.5= 7×
÷7×=
直接写得数
24÷
=
﹣
= 10+2.52=（﹣0.5）×
=
×
=（
+
）×12=×
÷
×= 0.32×200=
