问题
填空题
123×1+57×65-65×56=______.
答案
123×1+57×65-65×56
=123×1+(57×65-65×56),
=123+(57-56)×65,
=123+1×65,
=123+65,
=188.
故答案为:188.
123×1+57×65-65×56=______.
123×1+57×65-65×56
=123×1+(57×65-65×56),
=123+(57-56)×65,
=123+1×65,
=123+65,
=188.
故答案为:188.