69-7= 3+73= 4+56= 65+7= 56-7=
23+60= 57-6= 98-70= 24-6= 49+40=
84-3= 55-30= 16+8= 85-40= 50-7=
50-30= 26+9= 13+80= 80-60= 49-8=
40+2= 38-9= 6+64= 81+3= 20+57=
99-9= 50+40= 39+30= 78-20= 14+5=
微信扫码预览、分享更方便
