301+304+300+297+299怎么简便计算?

2025-04-02 11:10:12
推荐回答(3个)
回答1:

301+304+300+297+299
=(301+299)+(1+303+297)+300
=600+1+600+300
=1+1200+300
=1+1500
=1501

回答2:

301+304+300+297+299
=(301+299)+300+(303+297)+1
=600+300+600+1
=1500+1
=1501

回答3:

=300+1+300+4+300+300-3+300-1
=300×5+1+4-3-1
=1500+1
=1501