15-5.4+4.6怎样简便计算?

2025-03-19 08:35:06
推荐回答(5个)
回答1:

15一5.4+4.6
=15+4.6一5.4
=19.6一5.4
=14.2

回答2:

=19.6-5.4

=14.2


先算加法再算减法就可以的


如上过程解答题目

回答3:

15-5.4+4.6
=15-(5+0.4)+(5-0.4)
=15-5-0.4+5-0.4
=15-0.8
=14.2

回答4:

按运算顺序计算就已经很简便了,何必化简为繁!
15-5.4+4.6
=9.6+4.6
=14.2

回答5:

15-5.4+4.6
=15-(10-4.6)+4.6
=15-10+4.6+4.6
=5+9.2
=14.2