①36+15=
②34+49=
③12+58=
④29+3=
20-10= 30+40= 36-6= 40+2=
59-9= 86-80= 100-10= 0+50=
90-40= 80+20= 23-3+5= 50-10+8=
15-6=
4+9=
14-1=
18-8=
19-5=
9+10=
14-8=
11-5=
12-6=
11-4=
16-9=
16+3=
12-9=
11-7=
19-7=
①45+27=
②74-47=
③6+35=
④80-4=
⑤24+47=
⑥93-37=
①56-13=
②45+12=
③78-8=
④68-25=
⑤71-40=
⑥7+52=
①6+69=
②74-47=
③58+9=
④38+62=
⑤80-55=
⑥100-28=
13-48 16-85 11-312-3 12-56 16-77
17-98 14-69 17-917-8 16-99 19-48
14-9=( )
15-8=( )