25点8×0点二三2点3×7点四三0点023用简便方法计算

2025-04-30 09:40:52
推荐回答(1个)
回答1:

25.8×0.23+ 2.3×7.43-0.023
=25.8×0.23+0. 23×74.3-0.23×0.1
=(25.8+74.3-0.1)×0.23
=100×0.23
=23