题目内容
62
×89.45+179×37.56+89
×62.44=______.
11 |
25 |
11 |
20 |
62
×89.45+179×37.56+89
×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.
11 |
25 |
11 |
20 |
=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.
练习册系列答案
相关题目