Ответ:\(89-9=80\);\(38-8=30\);\(56+8=64\);\(96-43=53\);\(23+17=40\);\(60+4=64\);\(45-15=30\);\(73-43=30\);\(13+17=30\);\(60+20=80\);\(47+6=53\);\(30+10=40\).