0.9999×1.3一0.1111x1.7用简便方法怎么做

2025-04-13 11:33:06
推荐回答(1个)
回答1:

0.9999×1.3-0.1111x1.7
=0.1111x9×1.3-0.1111x1.7
=0.1111x11.7-0.1111x1.7
=0.1111x(11.7-1.7)
=0.1111x10
=1.111