4+?=9,7+?=13,12+?=38 ?-3=5,?-14=12,?-17=24 34-?=21,64-?=24,50-?=27 27+43=?,38+45=?,84+18=? 5*7=?,5*8=?,5*9=? --- ?+14=38-12,?-20=15+25 13+?+13=39,32+14+19+14=? 17+?=41-?,27+14+32-17=? ?-17=?+17,99-23-18-26=?
4
+
=
9
7
+
=
13
12
+
=
38
-
3
=
5
-
14
=
12
-
17
=
24
34
-
=
21
64
-
=
24
50
-
=
27
27
+
43
=
38
+
45
=
84
+
18
=
5
×
7
=
5
×
8
=
5
×
9
=
+
14
=
38
-
12
-
20
=
15
+
25
13
+
+
13
=
39
32
+
14
+
19
+
14
=
17
+
=
41
-
27
+
14
+
32
-
17
=
-
17
=
+
17
99
-
23
-
18
-
26
=
可以凶团圆