Question

Вычислите удобным способом:
42-(19+12)
(28+37)+12
6*9+(27+26)
8*7-(4*4+14)

Answer 1

42-(19+12) = 11
(28+37)+12 = 77
6*9+(27+26) = 54 + 53 = 107
8*7-(4*4+14) = 56 - 30 = 26