直接写出得数+= 1﹣= ﹣= ﹣0.5= 2+5.76+7.75= 0.5+2= 0+15.73= += +0.05= 10﹣（1+0.125）= ．
直接写得数．﹣=﹣= 2+= 3﹣=+=﹣=+=﹣=
直接写出得数．+=﹣=+=﹣=﹣= 1﹣= 0.2+= 1.2÷5=
直接写出得数.+= ；+= ；﹣0.125= ；﹣= ；+0.3= ； 10﹣= ；+= ；﹣= ．
计算下面各题．+=﹣=+=﹣=﹣+=﹣（+）=+﹣=
+﹣﹣．
+
= 1﹣
= 
﹣
= 
﹣0.5= 
+5.76+7.75= 0.5+2
= 0+15.73= 
= 
+0.05= 10﹣（1
+0.125）= ．
﹣
=
= 2+
= 3﹣
=
+
=
﹣
=
+
=
﹣
=
+
=
﹣
=
+
=
﹣
=
﹣
= 1﹣
= 0.2+
= 1.2÷5=
+
= ；
+
= ；
﹣0.125= ；
﹣
= ；
+0.3= ； 10﹣
= ；
+
﹣
+
=
﹣
=
+
=
﹣
=
+
=
+
）=
+
﹣
=
+
﹣
﹣
．
粤公网安备 44130202000953号