Question

fie numerele: a=785-102•5+2•(64•4-12•5). b=232:2+(56+44):5. a) Sa se compare numerele. b) Sa se calculeze a-2b

Answer 1

a=785-102•5+2•(64•4-12•5)=
=785-510+2•(256-60)=
=275+2•196=
=275+392=
=667

 b=232:2+(56+44):5=
=116+100:5=
=116+20=
=136

a> b
a-2b=667-2*136=667-272=395