丽丽:我今年6岁。
爸爸:你10岁时,我正好40岁
7+9=
6+6=
16-8=
17-8=
11-3=
13-9=
7+8=
18-7=
54-4= 22+30= 62-60= 18-9= 16-9+3=
11-8= 26+7= 51-2= 40+30= 15-8-3=
45+3= 95-50= 37-6= 12-4= 6+8-9=
30+6= 71-8= 13-5= 67-9= 23-(9-7)=
14-8= 15-7= 13-7= 8+6=
2+10= 8+3= 14-9= 11-6=
13-9= 16-6= 11-8= 18-9=
17-8-3= 13-4+9= 14-7+5= 11-5+7=
11-6+5= 17-7-3= 18-9-9= 6+9-8=
4+=12 +6=11 -10=10
13-=7 18-=9 +15=18
①
②36×()
③
④
⑤3.24×0.76+3.24×0.24
⑥