12.5÷3.6-7÷9+8.3÷3.6=_.

问题描述:

12.5÷3.6-7÷9+8.3÷3.6=______.

按照小数的四则混合运算可得:
12.5÷3.6-7÷9+8.3÷3.6,
=

125
36
-
7
9
+
83
36

=
125
36
-
28
36
+
83
36

=
125−28+83
36

=
180
36

=5;
故答案为:5.