Question

{3+0,5•[2,3-0,2•(3,1-5,12:3,2)]}:4

Answer 1

{3+0,5*[2,3-0,2*(3,1-5,12:3,2)]}:4=
={3+0,5*[2,3-0,2*(3,1-51,2:32)]}:4=
={3+0,5*[2,3-0,2*(3,1-1,6)]}:4=
=[3+0,5*(2,3-0,2*1,5)]:4=
=[3+0,5*(2,3-0,3)]:4=
=(3+0,5*2):4=
=(3+1):4=
=4:4=1

Answer 2

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