问题 填空题
62
11
25
×89.45+179×37.56+89
11
20
×62.44=______.
答案

62

11
25
×89.45+179×37.56+89
11
20
×62.44,

=62.44×89.45+179×37.56+89.55×62.44,

=62.44×(89.45+89.55)+179×37.56,

=62.44×179+179×37.56,

=(62.44+37.56)×179,

=100×179,

=17900;

故答案为:17900.

单项选择题
单项选择题