Question

вычислите значение выражения m+n =35
(m+15)+n
(m+48)+(n+20)
m+(n+9)

Answer 1

(m+15) + n = (m+n) + 15 = 35 + 15 =50, (m+48) +(n+20) = (m+n) + 48+50 = 35+48+50 = 133, m + (n + 9) = (m + n) + 9 = 35 + 9 = 44