直接写出得数．
25+46= 432﹣198= 2﹣
=
÷
=
30×40= 560÷80= 273+87+27= 0.25×0.125×4×8=
直接写出结果．
4708﹣999= 0.34+1.6=
+
= 0.2﹣
=
15×1
=
÷
= 3﹣3÷5=
×12÷=
直接写出得数．
324﹣198= 8÷
= 125%×8= 0.625÷
=
2﹣
= 0÷1%=
×÷×=+
×
=
计算下列各题
45+38=
÷3= 4.2÷0.07= 0.875×24= 1÷
=
72×
= 8﹣
= 0.25﹣
=
×0÷
= 13×
÷13×=
7+68= 78﹣0.98= 910÷70= 32×12.5%=
1÷0.03= 12﹣
=
﹣
=
÷
=
