216*62+216*17-79*116=?

Question

216*62+216*17-79*116=?

Answer 1

= 216 • ( 62 + 17 ) - 79 • 116 = 216 • 79 - 79 • 116 = 79 • ( 216 - 116 ) = 79 • 100 = 7900

Answer 2

216*62=13392
216*17=3672
79*116=9164
13392+3672=17064
17064-9164=7900
Вроде так