用简便方法计算 1.234∧2＋0.766∧2＋2.468×0.766

题目

用简便方法计算 1.234∧2＋0.766∧2＋2.468×0.766

答案

1.234∧2＋0.766∧2＋2.468×0.766
=(1.234+0.766)^2
=2^2
=4