Smart problem in grade five. Please come in (hurry up! ! )

1) first understand this equation: minuend-subtrahend = difference.

2) change this equation: minuend = "difference+subtraction"

3) Conditions given in the title: subtraction =2 difference,

So "difference+subtraction" = "3 difference",

That is, "minuend = difference+subtraction =3 difference"

4) So: minuend+subtraction+difference =3+2+ 1=6 difference.

5) Look at the condition again: minuend+subtraction+difference =5 16.

6) Merging 4) and 5), 6 difference = minuend+subtraction+difference =5 16.

Get "1 difference =5 16÷6=86"

7) So: minuend =3 difference =3×86=258, minuend =2 difference = 172, and the difference is 86.