脱式计算,能简算的,要简便方法。
4.32-(1.26+2.34) 4.58-(1.42+2.58) 3.6-1.28+3.09
第1个回答 推荐于2017-07-01
4.32-(1.26+2.34)
=4.32-3.6
=0.72
4.58-(1.42+2.58)
=4.58-1.42-2.58
=4.58-2.58-1.42
=2-1.42
=0.58
3.6-1.28+3
=2.32+3
=5.32本回答被网友采纳
=4.32-3.6
=0.72
4.58-(1.42+2.58)
=4.58-1.42-2.58
=4.58-2.58-1.42
=2-1.42
=0.58
3.6-1.28+3
=2.32+3
=5.32本回答被网友采纳
第2个回答 2017-03-12
都不能简算啊,孩纸