175 1819 17 – 314 3 + 77+3
16 + 118 16 – 611 818 – 5 2+618 – 10
1+46 5+23 6-52
52+4 6-27 4+04
个
个
个
个
+
-
=
+
-
= ![]()


8+7= 6+10= 9+4= 5+8= 11-10=
7+5= 19-8= 12-2= 3+8= 10+6=




B .

B .
C .
E .

□○□○□=□