Ответ:\(7\times2=14\);\(27:3=9\);\(16:2=8\);\(3\times3=9\);\(32+28-20=60-20=40\);\(16+36+18=52+18=70\);\(90-24+14=66+14=80\);\(63+27-56=90-56=34\).