3.75-(2.3-0.25)用简便方法计算
第1个回答 2017-10-09
3.75-(2.3-0.25)
=3.75+0.25-2.3
=4-2.3
=1.7
=3.75+0.25-2.3
=4-2.3
=1.7
第2个回答 2017-10-09
3.75-(2.3-0.25)
=3.75-2.3+0.25
=3.75+0.25-2.3
=4-2.3
=1.7本回答被网友采纳
=3.75-2.3+0.25
=3.75+0.25-2.3
=4-2.3
=1.7本回答被网友采纳