1 1 9 9添加加减乘除最后等于10
问题描述:
1 1 9 9添加加减乘除最后等于10
答
(1+1÷9)×9
=(1+1/9)× 9
=10/9×9
=10
1 1 9 9添加加减乘除最后等于10
(1+1÷9)×9
=(1+1/9)× 9
=10/9×9
=10