Question

вычислите 19. (-3)+0,54 - 6250,25
х+ 3​

Answer 1

Ответ:

10

Объяснение:

19*(-3)³+0,5^-4 -625^0,25-(2 1/4)^-3/2=

=19*(-1/3)³+2^4 -(5^4)^1/4 - (9/4)^-3/2=

=19*(-1/27)+16-5 - (4/9))^3/2=

=-19/27 +11 - (2/3²)^3/2=

=-19/27 +11 -2/3^6/2=   -19/27+11-(2/3)³=  -19/27+11-8/27=

=-27/27+11 =  (-27+297)/27=  270/27 = 10