0.999×0.7 0.111×2.7用简便方法

求过程,谢谢了
2025-05-17 10:05:43
推荐回答(1个)
回答1:

0.999×0.7+ 0.111×2.7
=0.111X9X0.7+0.111X3.7
=0.111X(6.3+3.7)
=0.111X10
=1.11