8+8=        13-3=      +3=14

9+5=        16-5=      +=13

①14+5=         ②9+4=        ③7+6=         ④7+8=

⑤12-2=         ⑥6+9=         ⑦3+7=         ⑧9+10=

3+913       4+812       7+43+9

145+7       9+816       6+88+6