灏忓涓�骞寸骇鏁板锛堜笅鍐岋級鍙ｇ畻棰樺崱
69+ 3=
47- 6=
59+10=
28+
9=
73+
6=
4
+50=
22-
9=
15+8=
8
+12=
18-
9=
72-
2=
49+
7=
27+14=
59-
6=
25-
5=
64+
5=
89-
4=
19-
6=
55+25=
69+13=
48+13=
87-12=
21-
5=
9
+43=
12+10=
80-20=
67-15=
35-16=
29-13=
66-15=
12-
7=
10+19=
16-11=
90+10=
29-13=
85-16=
44-13=
22-11=
34+16=
88-18=
60-12=
51-12=
97-17=
17+16=
26+
3=
67-
7=
98-18=
29-19=
100-4=
99+
1=
29-13=
39+
2=
30+12=
83-11=
50+50=
29-10=
68+
5=
30+70=
87-10=
77-15=
99-66=
33+11=
16+
3=
83-19=
26+38=
70+20=
56+16=
60-20=
22+40=
34+12=
13-
8=
23-
4=
82-
6=
82-15=
100-(
)=80
23-(
)=18
44+(
)=60
70-(
)=20
23+16=
55+33=
34+12=
47-30=
21+47=
26+(
)=66
86+9=
66+5=
24+9=
9
+54=
60-16=
16+(
)=56
41-(
)=30
86-12=
73-44=
66+12=
74-15=
69-13=
69+(
)=80
44-15=
82-15=
51-40=