直接写出得数
98+67= 4.8﹣0.79=
+0.2= 15﹣5
=
1.25×8= 1÷0.25=
×1
= 7.2÷4=
2.5×1
×0.4= 1﹣
﹣
=
÷
﹣1= 12×（
﹣
）=
直接写出得数．
81﹣46=
0.56÷0.7=
8﹣3.2=
15÷1%=
×
=
+
=
0.42=
÷2=
直接写出结果．
287﹣199= 0.54+0.46= 0.48÷0.03= 9+
=
×4=
÷
=
×
×
= 6.9+3.1﹣6.9+3.1=
直接写得数
652﹣398= 0.9÷0.01=
﹣
= 0.4×2.5=
6.8×11﹣6.8=
+3÷8=
÷4×
÷4= 0.42=
直接写出得数．
53+48= 0.7×1.4= 15.7÷3.14= 7﹣4.45=
24×
=
+
=
﹣
=
÷7=