43-8= 66+4= 91-4= 83-23= 76-8=
34-2= 50-5= 23+14= 18+4= 70-10=
48-99= 63+27= 45-4= 28+13= 69+14+1=
63-7= 5+46= 26+7= 67-25= 28+44-8=
①43+8=
②64+25=
③75-23=
④32-9=
①36-25=
②38+42=
③91-28=
④57+14+19=
⑤40-5-16=
⑥86+5-47=
14+21 72-4 50+9 100-7 98-22
<<<<