问题
填空题
77+25+23+44+75+56=______.
答案
77+25+23+44+75+56,
=(77+23)+(25+75)+(44+56),
=100+100+100,
=300.
故答案为:300.
77+25+23+44+75+56=______.
77+25+23+44+75+56,
=(77+23)+(25+75)+(44+56),
=100+100+100,
=300.
故答案为:300.