问题
解答题
已知a+b=1,则a[a(a+b)+b]+b的值是1.______.
答案
a[a(a+b)+b]+b,
=a[a×1+b]+b,
=a[a+b]+b,
=a×1+b,
=a+b,
=1.
故答案为:正确.
已知a+b=1,则a[a(a+b)+b]+b的值是1.______.
a[a(a+b)+b]+b,
=a[a×1+b]+b,
=a[a+b]+b,
=a×1+b,
=a+b,
=1.
故答案为:正确.